./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.14-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.14-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', '3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a'] 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.14-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 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:52:03,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:52:03,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-07 23:52:03,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:52:03,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:52:03,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:52:03,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:52:03,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:52:03,460 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:52:03,460 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:52:03,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:52:03,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:52:03,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:52:03,462 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-07 23:52:03,462 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-07 23:52:03,462 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-07 23:52:03,462 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-07 23:52:03,462 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-07 23:52:03,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:52:03,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:52:03,465 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-07 23:52:03,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:52:03,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:52:03,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:52:03,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:52:03,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:52:03,465 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-07 23:52:03,465 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 -> 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a [2024-11-07 23:52:03,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:52:03,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:52:03,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:52:03,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:52:03,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:52:03,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2024-11-07 23:52:05,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:52:05,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:52:05,322 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2024-11-07 23:52:05,333 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42ed4cae0/ac3b877b1e344eb6be6870479e992491/FLAG806c33578 [2024-11-07 23:52:05,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/42ed4cae0/ac3b877b1e344eb6be6870479e992491 [2024-11-07 23:52:05,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:52:05,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:52:05,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:52:05,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:52:05,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:52:05,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cdd0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05, skipping insertion in model container [2024-11-07 23:52:05,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:52:05,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:52:05,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:52:05,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:52:05,741 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:52:05,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05 WrapperNode [2024-11-07 23:52:05,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:52:05,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:52:05,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:52:05,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:52:05,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,779 INFO L138 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-07 23:52:05,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:52:05,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:52:05,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:52:05,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:52:05,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,801 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [5, 5, 4]. 36 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 6 writes are split as follows [2, 2, 2]. [2024-11-07 23:52:05,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:52:05,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:52:05,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:52:05,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:52:05,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (1/1) ... [2024-11-07 23:52:05,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:05,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:05,860 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 23:52:05,862 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 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:52:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:52:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:52:05,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:52:05,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:52:06,115 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-07 23:52:06,115 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:52:06,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:52:06,125 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 23:52:06,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:06 BoogieIcfgContainer [2024-11-07 23:52:06,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:52:06,127 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-07 23:52:06,127 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-07 23:52:06,131 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-07 23:52:06,132 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:52:06,132 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 11:52:05" (1/3) ... [2024-11-07 23:52:06,134 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c04a12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:52:06, skipping insertion in model container [2024-11-07 23:52:06,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:52:06,134 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:05" (2/3) ... [2024-11-07 23:52:06,134 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c04a12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:52:06, skipping insertion in model container [2024-11-07 23:52:06,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:52:06,135 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:06" (3/3) ... [2024-11-07 23:52:06,136 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.14-alloca.i [2024-11-07 23:52:06,183 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-07 23:52:06,183 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-07 23:52:06,183 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-07 23:52:06,184 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-07 23:52:06,184 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-07 23:52:06,185 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-07 23:52:06,185 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-07 23:52:06,185 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-07 23:52:06,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) 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 23:52:06,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-07 23:52:06,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:06,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:06,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:06,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-07 23:52:06,207 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-07 23:52:06,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) 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 23:52:06,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-07 23:52:06,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:06,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:06,210 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:06,210 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-07 23:52:06,216 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#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~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#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_~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_~c~0#1.base, test_fun_~c~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 test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#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);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 2#L556-4true [2024-11-07 23:52:06,216 INFO L747 eck$LassoCheckResult]: Loop: 2#L556-4true call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 12#L555-1true assume test_fun_#t~short8#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);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 4#L555-3true assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 6#L556-3true assume !true; 2#L556-4true [2024-11-07 23:52:06,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:06,221 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-07 23:52:06,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:06,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656251771] [2024-11-07 23:52:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:06,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:06,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1142256, now seen corresponding path program 1 times [2024-11-07 23:52:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:06,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947072267] [2024-11-07 23:52:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:06,462 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 23:52:06,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947072267] [2024-11-07 23:52:06,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947072267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:06,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:06,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 23:52:06,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129280861] [2024-11-07 23:52:06,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:06,467 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-07 23:52:06,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:06,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:52:06,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:52:06,489 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 23:52:06,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:06,494 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2024-11-07 23:52:06,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-11-07 23:52:06,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-07 23:52:06,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 9 transitions. [2024-11-07 23:52:06,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-07 23:52:06,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-07 23:52:06,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2024-11-07 23:52:06,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:06,504 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-07 23:52:06,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2024-11-07 23:52:06,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-07 23:52:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 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 23:52:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-11-07 23:52:06,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-07 23:52:06,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:52:06,526 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-11-07 23:52:06,526 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-07 23:52:06,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2024-11-07 23:52:06,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-07 23:52:06,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:06,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:06,528 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:06,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-07 23:52:06,529 INFO L745 eck$LassoCheckResult]: Stem: 37#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#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~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#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_~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_~c~0#1.base, test_fun_~c~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 test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#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);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 32#L556-4 [2024-11-07 23:52:06,529 INFO L747 eck$LassoCheckResult]: Loop: 32#L556-4 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 33#L555-1 assume test_fun_#t~short8#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);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 34#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 35#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 36#L556-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 32#L556-4 [2024-11-07 23:52:06,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:06,530 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-07 23:52:06,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:06,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179739300] [2024-11-07 23:52:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:06,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:06,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash 35409745, now seen corresponding path program 1 times [2024-11-07 23:52:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:06,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888862712] [2024-11-07 23:52:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:06,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:06,786 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 23:52:06,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:06,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888862712] [2024-11-07 23:52:06,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888862712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:06,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:06,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:52:06,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688370402] [2024-11-07 23:52:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:06,788 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-07 23:52:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:06,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:52:06,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:52:06,791 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 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 23:52:06,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:06,901 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2024-11-07 23:52:06,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2024-11-07 23:52:06,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-07 23:52:06,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 12 transitions. [2024-11-07 23:52:06,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-07 23:52:06,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-07 23:52:06,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2024-11-07 23:52:06,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:06,902 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-07 23:52:06,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2024-11-07 23:52:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-07 23:52:06,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) 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 23:52:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-11-07 23:52:06,903 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-07 23:52:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:52:06,908 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-07 23:52:06,908 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-07 23:52:06,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-11-07 23:52:06,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-07 23:52:06,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:06,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:06,909 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:06,909 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2024-11-07 23:52:06,909 INFO L745 eck$LassoCheckResult]: Stem: 70#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#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~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#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_~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_~c~0#1.base, test_fun_~c~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 test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#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);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 64#L556-4 [2024-11-07 23:52:06,909 INFO L747 eck$LassoCheckResult]: Loop: 64#L556-4 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 65#L555-1 assume test_fun_#t~short8#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);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 66#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 67#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 72#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 68#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 69#L556-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 64#L556-4 [2024-11-07 23:52:06,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:06,909 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-11-07 23:52:06,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:06,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710793304] [2024-11-07 23:52:06,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:06,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:06,967 INFO L85 PathProgramCache]: Analyzing trace with hash -330970762, now seen corresponding path program 1 times [2024-11-07 23:52:06,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:06,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205231571] [2024-11-07 23:52:06,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:06,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:06,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:07,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:07,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:07,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1215326068, now seen corresponding path program 1 times [2024-11-07 23:52:07,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:07,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213025253] [2024-11-07 23:52:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:07,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:07,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:07,906 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:52:07,907 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:52:07,907 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:52:07,907 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:52:07,908 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:52:07,908 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:07,908 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:52:07,908 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:52:07,908 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.14-alloca.i_Iteration3_Lasso [2024-11-07 23:52:07,908 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:52:07,908 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:52:07,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:07,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:08,931 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:52:08,935 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:52:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:08,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:08,939 INFO L229 MonitoredProcess]: Starting monitored process 2 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 23:52:08,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-07 23:52:08,942 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 23:52:08,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:08,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:08,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:08,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:08,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:08,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:08,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:08,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:08,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-07 23:52:08,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:08,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:08,979 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 23:52:08,981 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 23:52:08,981 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 23:52:08,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:08,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:08,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:08,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:09,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-07 23:52:09,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,022 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 23:52:09,023 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 23:52:09,024 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 23:52:09,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:09,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:09,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:09,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,051 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:09,065 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 23:52:09,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,067 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 23:52:09,069 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 23:52:09,070 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 23:52:09,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:09,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:09,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:09,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:09,098 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 23:52:09,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,100 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 23:52:09,100 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 23:52:09,101 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 23:52:09,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:09,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:09,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:09,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:09,133 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 23:52:09,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,135 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 23:52:09,137 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 23:52:09,137 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 23:52:09,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:09,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:09,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:09,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,156 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:09,169 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 23:52:09,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,171 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 23:52:09,172 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 23:52:09,173 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 23:52:09,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:09,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:09,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:09,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:09,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-07 23:52:09,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,206 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 23:52:09,207 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 23:52:09,208 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 23:52:09,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:09,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:09,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:09,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:09,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:09,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:09,234 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:52:09,253 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-11-07 23:52:09,256 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-07 23:52:09,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:09,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:09,259 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 23:52:09,260 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 23:52:09,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:52:09,275 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-07 23:52:09,275 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:52:09,276 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 [] [2024-11-07 23:52:09,291 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 23:52:09,369 INFO L156 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2024-11-07 23:52:09,373 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-07 23:52:09,374 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-07 23:52:09,374 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 23:52:09,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:09,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:52:09,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:09,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 23:52:09,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:09,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:09,529 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 23:52:09,611 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 23:52:09,692 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 23:52:09,694 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-11-07 23:52:09,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 23:52:09,904 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 20 states and 27 transitions. Complement of second has 12 states. [2024-11-07 23:52:09,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-07 23:52:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 23:52:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 13 transitions. [2024-11-07 23:52:09,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 13 transitions. Stem has 2 letters. Loop has 7 letters. [2024-11-07 23:52:09,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:09,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 13 transitions. Stem has 9 letters. Loop has 7 letters. [2024-11-07 23:52:09,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:09,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 13 transitions. Stem has 2 letters. Loop has 14 letters. [2024-11-07 23:52:09,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:09,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2024-11-07 23:52:09,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:09,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 14 states and 17 transitions. [2024-11-07 23:52:09,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-07 23:52:09,914 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-07 23:52:09,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2024-11-07 23:52:09,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:09,914 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-07 23:52:09,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2024-11-07 23:52:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-11-07 23:52:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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 23:52:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2024-11-07 23:52:09,918 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-07 23:52:09,918 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-07 23:52:09,918 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-07 23:52:09,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2024-11-07 23:52:09,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:09,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:09,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:09,919 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:09,919 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:09,919 INFO L745 eck$LassoCheckResult]: Stem: 267#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 268#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#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~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#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_~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_~c~0#1.base, test_fun_~c~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 test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#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);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 259#L556-4 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 260#L555-1 assume !test_fun_#t~short8#1; 262#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 263#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 266#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 269#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 265#L556-1 [2024-11-07 23:52:09,919 INFO L747 eck$LassoCheckResult]: Loop: 265#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 264#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 265#L556-1 [2024-11-07 23:52:09,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:09,919 INFO L85 PathProgramCache]: Analyzing trace with hash 179598440, now seen corresponding path program 1 times [2024-11-07 23:52:09,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:09,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508977275] [2024-11-07 23:52:09,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:09,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:09,976 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 23:52:09,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508977275] [2024-11-07 23:52:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508977275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:09,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:09,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:52:09,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367965007] [2024-11-07 23:52:09,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:09,977 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:52:09,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:09,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1852, now seen corresponding path program 1 times [2024-11-07 23:52:09,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:09,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685242092] [2024-11-07 23:52:09,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:09,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:09,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:09,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:10,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:10,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:52:10,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:52:10,145 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 23:52:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:10,155 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2024-11-07 23:52:10,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2024-11-07 23:52:10,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:10,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 15 transitions. [2024-11-07 23:52:10,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-07 23:52:10,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-07 23:52:10,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2024-11-07 23:52:10,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:10,158 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-07 23:52:10,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2024-11-07 23:52:10,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-07 23:52:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 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 23:52:10,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-07 23:52:10,160 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-07 23:52:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:52:10,161 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-07 23:52:10,161 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-07 23:52:10,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-11-07 23:52:10,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:10,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:10,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:10,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:10,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:10,162 INFO L745 eck$LassoCheckResult]: Stem: 300#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 301#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#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~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#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_~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_~c~0#1.base, test_fun_~c~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 test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#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);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 292#L556-4 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 293#L555-1 assume test_fun_#t~short8#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);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 295#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 296#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 299#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 302#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 298#L556-1 [2024-11-07 23:52:10,163 INFO L747 eck$LassoCheckResult]: Loop: 298#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 297#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 298#L556-1 [2024-11-07 23:52:10,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:10,163 INFO L85 PathProgramCache]: Analyzing trace with hash 177751398, now seen corresponding path program 1 times [2024-11-07 23:52:10,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:10,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643347827] [2024-11-07 23:52:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:10,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:10,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:10,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:10,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:10,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1852, now seen corresponding path program 2 times [2024-11-07 23:52:10,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:10,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311118634] [2024-11-07 23:52:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:10,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:10,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:10,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:10,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:10,205 INFO L85 PathProgramCache]: Analyzing trace with hash -979597471, now seen corresponding path program 2 times [2024-11-07 23:52:10,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:10,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000495335] [2024-11-07 23:52:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:10,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:10,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:10,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:11,371 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:52:11,371 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:52:11,371 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:52:11,371 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:52:11,371 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:52:11,371 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:11,371 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:52:11,372 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:52:11,372 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.14-alloca.i_Iteration5_Lasso [2024-11-07 23:52:11,372 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:52:11,372 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:52:11,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:11,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:12,075 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:52:12,075 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:52:12,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,080 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 23:52:12,081 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 23:52:12,082 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 23:52:12,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:12,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:12,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:12,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-07 23:52:12,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,106 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 23:52:12,107 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 23:52:12,107 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 23:52:12,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:12,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:12,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:12,119 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-07 23:52:12,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,131 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 23:52:12,132 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 23:52:12,132 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 23:52:12,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:12,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:12,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:12,144 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-07 23:52:12,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,155 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 23:52:12,156 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 23:52:12,156 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 23:52:12,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,181 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 23:52:12,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,183 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 23:52:12,183 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 23:52:12,184 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 23:52:12,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-07 23:52:12,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,217 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 23:52:12,218 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 23:52:12,219 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 23:52:12,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-07 23:52:12,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,253 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 23:52:12,253 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 23:52:12,254 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 23:52:12,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,268 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-07 23:52:12,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,285 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 23:52:12,287 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 23:52:12,288 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 23:52:12,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,309 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,319 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 23:52:12,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,321 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 23:52:12,322 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 23:52:12,322 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 23:52:12,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-07 23:52:12,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,362 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 23:52:12,363 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 23:52:12,366 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 23:52:12,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,384 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-07 23:52:12,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,396 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 23:52:12,402 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 23:52:12,406 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 23:52:12,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:12,436 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 23:52:12,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,439 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 23:52:12,440 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 23:52:12,441 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 23:52:12,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:12,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:12,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:12,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:12,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:12,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:12,466 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:52:12,480 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-07 23:52:12,480 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-07 23:52:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,482 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 23:52:12,483 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 23:52:12,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:52:12,493 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-07 23:52:12,493 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:52:12,493 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#t~mem9#1) = 1*ULTIMATE.start_test_fun_#t~mem9#1 Supporting invariants [-1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_2 + 1*ULTIMATE.start_test_fun_#t~mem9#1 >= 0] [2024-11-07 23:52:12,504 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 23:52:12,564 INFO L156 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2024-11-07 23:52:12,569 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem9 [2024-11-07 23:52:12,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:12,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 23:52:12,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:12,658 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 17 treesize of output 9 [2024-11-07 23:52:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:12,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 23:52:12,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:12,677 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 25 treesize of output 13 [2024-11-07 23:52:12,694 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 23:52:12,695 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 23:52:12,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:52:12,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 26 states and 31 transitions. Complement of second has 6 states. [2024-11-07 23:52:12,724 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 23:52:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:52:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-07 23:52:12,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-11-07 23:52:12,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:12,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 10 letters. Loop has 2 letters. [2024-11-07 23:52:12,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:12,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-07 23:52:12,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:12,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2024-11-07 23:52:12,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:12,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 23 transitions. [2024-11-07 23:52:12,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-07 23:52:12,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-07 23:52:12,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2024-11-07 23:52:12,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:12,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-11-07 23:52:12,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2024-11-07 23:52:12,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2024-11-07 23:52:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 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 23:52:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-07 23:52:12,728 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-07 23:52:12,728 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-07 23:52:12,728 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-07 23:52:12,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2024-11-07 23:52:12,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:12,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:12,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:12,729 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 1, 1, 1] [2024-11-07 23:52:12,729 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:12,729 INFO L745 eck$LassoCheckResult]: Stem: 495#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 496#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#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~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#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_~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_~c~0#1.base, test_fun_~c~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 test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#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);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 485#L556-4 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 486#L555-1 assume test_fun_#t~short8#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);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 489#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 490#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 497#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 493#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 494#L556-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 487#L556-4 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 == test_fun_#t~mem6#1; 488#L555-1 assume test_fun_#t~short8#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);test_fun_#t~short8#1 := test_fun_#t~mem7#1 > 0; 501#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 500#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 499#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 498#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 492#L556-1 [2024-11-07 23:52:12,729 INFO L747 eck$LassoCheckResult]: Loop: 492#L556-1 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;call test_fun_#t~mem11#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~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#2(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int#2(1 + test_fun_#t~mem12#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem12#1; 491#L556-3 call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 492#L556-1 [2024-11-07 23:52:12,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:12,730 INFO L85 PathProgramCache]: Analyzing trace with hash -618569641, now seen corresponding path program 2 times [2024-11-07 23:52:12,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:12,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14259574] [2024-11-07 23:52:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:12,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:52:12,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:12,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14259574] [2024-11-07 23:52:12,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14259574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:52:12,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849078422] [2024-11-07 23:52:12,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:52:12,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:52:12,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:12,831 INFO L229 MonitoredProcess]: Starting monitored process 24 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 23:52:12,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 23:52:12,916 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:52:12,916 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:52:12,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:52:12,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:12,934 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 23:52:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:52:12,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:52:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:52:12,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849078422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:52:12,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:52:12,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-07 23:52:12,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056075392] [2024-11-07 23:52:12,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:52:12,962 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:52:12,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:12,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1852, now seen corresponding path program 3 times [2024-11-07 23:52:12,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:12,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278349098] [2024-11-07 23:52:12,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:12,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:12,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:12,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:13,002 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 23:52:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:13,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:52:13,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:52:13,099 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 23:52:13,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:13,123 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-07 23:52:13,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2024-11-07 23:52:13,124 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:52:13,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-07 23:52:13,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-07 23:52:13,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-07 23:52:13,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-07 23:52:13,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:13,124 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:52:13,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:52:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:52:13,124 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:52:13,124 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-07 23:52:13,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-07 23:52:13,125 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:52:13,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-07 23:52:13,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 11:52:13 BoogieIcfgContainer [2024-11-07 23:52:13,132 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-07 23:52:13,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:52:13,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:52:13,132 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:52:13,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:06" (3/4) ... [2024-11-07 23:52:13,135 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 23:52:13,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:52:13,136 INFO L158 Benchmark]: Toolchain (without parser) took 7781.72ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 76.1MB in the beginning and 78.9MB in the end (delta: -2.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-07 23:52:13,136 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:13,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.24ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 59.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:52:13,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.23ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 58.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:13,137 INFO L158 Benchmark]: Boogie Preprocessor took 43.48ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 56.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:13,137 INFO L158 Benchmark]: RCFGBuilder took 301.64ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 44.8MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:52:13,137 INFO L158 Benchmark]: BuchiAutomizer took 7005.06ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 44.7MB in the beginning and 78.9MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:13,138 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 125.8MB. Free memory was 78.9MB in the beginning and 78.9MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:13,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.24ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 59.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.23ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 58.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.48ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 56.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.64ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 44.8MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 7005.06ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 44.7MB in the beginning and 78.9MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 125.8MB. Free memory was 78.9MB in the beginning and 78.9MB in the end (delta: 46.2kB). 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: #t~mem9 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 7 locations. One deterministic module has affine ranking function null and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 7 iterations. TraceHistogramMax:4. Analysis of lassos took 5.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 42 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital256 mio100 ax107 hnf100 lsp93 ukn75 mio100 lsp22 div100 bol100 ite100 ukn100 eq204 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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 23:52:13,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-07 23:52:13,358 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