./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test27-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-regression/test27-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78863f43fa37191b47f0d738bb1bc2018c82b38cb68dad85c455cdbd7fd69aa4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 02:32:36,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 02:32:36,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-23 02:32:36,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 02:32:36,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 02:32:36,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 02:32:36,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 02:32:36,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 02:32:36,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 02:32:36,155 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 02:32:36,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 02:32:36,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 02:32:36,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 02:32:36,156 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 02:32:36,158 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 02:32:36,158 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 02:32:36,158 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 02:32:36,158 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 02:32:36,159 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 02:32:36,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 02:32:36,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 02:32:36,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 02:32:36,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 02:32:36,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 02:32:36,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 02:32:36,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 02:32:36,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 02:32:36,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 02:32:36,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 02:32:36,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 02:32:36,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 02:32:36,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 02:32:36,164 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 02:32:36,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 02:32:36,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 02:32:36,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 02:32:36,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 02:32:36,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 02:32:36,166 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 02:32:36,166 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78863f43fa37191b47f0d738bb1bc2018c82b38cb68dad85c455cdbd7fd69aa4 [2024-11-23 02:32:36,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 02:32:36,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 02:32:36,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 02:32:36,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 02:32:36,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 02:32:36,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test27-1.c [2024-11-23 02:32:37,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 02:32:37,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 02:32:37,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test27-1.c [2024-11-23 02:32:37,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445a3b7db/bcb2dbbb757040f489cb96488d4cba68/FLAGbe6122371 [2024-11-23 02:32:37,892 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445a3b7db/bcb2dbbb757040f489cb96488d4cba68 [2024-11-23 02:32:37,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 02:32:37,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 02:32:37,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 02:32:37,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 02:32:37,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 02:32:37,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:32:37" (1/1) ... [2024-11-23 02:32:37,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e54812a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:37, skipping insertion in model container [2024-11-23 02:32:37,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:32:37" (1/1) ... [2024-11-23 02:32:37,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 02:32:38,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:32:38,053 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 02:32:38,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 02:32:38,079 INFO L204 MainTranslator]: Completed translation [2024-11-23 02:32:38,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38 WrapperNode [2024-11-23 02:32:38,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 02:32:38,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 02:32:38,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 02:32:38,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 02:32:38,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,109 INFO L138 Inliner]: procedures = 16, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2024-11-23 02:32:38,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 02:32:38,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 02:32:38,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 02:32:38,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 02:32:38,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,173 INFO L175 MemorySlicer]: Split 20 memory accesses to 5 slices as follows [2, 6, 3, 5, 4]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 6 writes are split as follows [0, 2, 1, 2, 1]. [2024-11-23 02:32:38,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 02:32:38,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 02:32:38,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 02:32:38,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 02:32:38,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2024-11-23 02:32:38,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:38,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:38,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:38,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 02:32:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 02:32:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 02:32:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 02:32:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 02:32:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 02:32:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 02:32:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 02:32:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 02:32:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 02:32:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 02:32:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 02:32:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 02:32:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 02:32:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 02:32:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 02:32:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 02:32:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 02:32:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 02:32:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 02:32:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 02:32:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 02:32:38,405 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 02:32:38,407 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 02:32:38,603 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 02:32:38,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 02:32:38,616 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 02:32:38,617 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 02:32:38,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:38 BoogieIcfgContainer [2024-11-23 02:32:38,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 02:32:38,618 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 02:32:38,618 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 02:32:38,621 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 02:32:38,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:32:38,622 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:32:37" (1/3) ... [2024-11-23 02:32:38,623 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@706e1f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:32:38, skipping insertion in model container [2024-11-23 02:32:38,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:32:38,623 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (2/3) ... [2024-11-23 02:32:38,624 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@706e1f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:32:38, skipping insertion in model container [2024-11-23 02:32:38,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 02:32:38,625 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:38" (3/3) ... [2024-11-23 02:32:38,626 INFO L332 chiAutomizerObserver]: Analyzing ICFG test27-1.c [2024-11-23 02:32:38,680 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 02:32:38,680 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 02:32:38,680 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 02:32:38,680 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 02:32:38,681 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 02:32:38,681 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 02:32:38,681 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 02:32:38,681 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 02:32:38,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:32:38,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-23 02:32:38,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:32:38,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:32:38,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:32:38,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:32:38,702 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 02:32:38,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:32:38,703 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-23 02:32:38,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:32:38,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:32:38,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 02:32:38,704 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:32:38,709 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 12#L29-3true [2024-11-23 02:32:38,710 INFO L747 eck$LassoCheckResult]: Loop: 12#L29-3true assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 17#L29-2true main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 12#L29-3true [2024-11-23 02:32:38,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:38,714 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 02:32:38,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:38,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289447295] [2024-11-23 02:32:38,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:38,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:38,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:38,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:38,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-11-23 02:32:38,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:38,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666142927] [2024-11-23 02:32:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:38,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:38,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:38,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:38,867 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-11-23 02:32:38,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:38,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269456179] [2024-11-23 02:32:38,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:38,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:38,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:38,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:39,408 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 02:32:39,409 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 02:32:39,409 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 02:32:39,409 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 02:32:39,409 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 02:32:39,409 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:39,409 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 02:32:39,409 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 02:32:39,410 INFO L132 ssoRankerPreferences]: Filename of dumped script: test27-1.c_Iteration1_Lasso [2024-11-23 02:32:39,410 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 02:32:39,410 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 02:32:39,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:39,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 02:32:40,232 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 02:32:40,241 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 02:32:40,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 02:32:40,252 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 [2024-11-23 02:32:40,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,271 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 02:32:40,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 02:32:40,292 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 [2024-11-23 02:32:40,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:40,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:40,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 02:32:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 02:32:40,327 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 [2024-11-23 02:32:40,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,340 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 02:32:40,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 02:32:40,352 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 [2024-11-23 02:32:40,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-23 02:32:40,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,383 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 02:32:40,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 02:32:40,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,402 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-23 02:32:40,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-23 02:32:40,420 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 [2024-11-23 02:32:40,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,448 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,468 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-23 02:32:40,471 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 [2024-11-23 02:32:40,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,485 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-23 02:32:40,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,494 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-23 02:32:40,496 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 [2024-11-23 02:32:40,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,521 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-23 02:32:40,524 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 [2024-11-23 02:32:40,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,545 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-23 02:32:40,547 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 [2024-11-23 02:32:40,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,561 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,571 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-23 02:32:40,573 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 [2024-11-23 02:32:40,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,598 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-23 02:32:40,601 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 [2024-11-23 02:32:40,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,613 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-23 02:32:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,621 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-23 02:32:40,624 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 [2024-11-23 02:32:40,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:40,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:40,642 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,654 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-23 02:32:40,656 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 [2024-11-23 02:32:40,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:40,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:40,672 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-23 02:32:40,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,683 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-23 02:32:40,687 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 [2024-11-23 02:32:40,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,702 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-23 02:32:40,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,711 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-23 02:32:40,713 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 [2024-11-23 02:32:40,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,724 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-23 02:32:40,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,732 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-23 02:32:40,736 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 [2024-11-23 02:32:40,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,748 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,760 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-23 02:32:40,771 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 [2024-11-23 02:32:40,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,792 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-23 02:32:40,795 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 [2024-11-23 02:32:40,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-23 02:32:40,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,816 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-23 02:32:40,820 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 [2024-11-23 02:32:40,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,832 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,842 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-23 02:32:40,843 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 [2024-11-23 02:32:40,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,855 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,863 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-23 02:32:40,883 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 [2024-11-23 02:32:40,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,899 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,913 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-23 02:32:40,915 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 [2024-11-23 02:32:40,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:40,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:40,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,938 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-23 02:32:40,939 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 [2024-11-23 02:32:40,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,951 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,960 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-23 02:32:40,962 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 [2024-11-23 02:32:40,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 02:32:40,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 02:32:40,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 02:32:40,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:40,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:40,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:40,983 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:40,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-23 02:32:40,984 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 [2024-11-23 02:32:40,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:40,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:40,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:40,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:40,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:40,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:41,002 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:41,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:41,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:41,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:41,010 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:41,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-23 02:32:41,012 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 [2024-11-23 02:32:41,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:41,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:41,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:41,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:41,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:41,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:41,027 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 02:32:41,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-23 02:32:41,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:41,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:41,038 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:41,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-23 02:32:41,040 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 [2024-11-23 02:32:41,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 02:32:41,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 02:32:41,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 02:32:41,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 02:32:41,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 02:32:41,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 02:32:41,062 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 02:32:41,085 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-23 02:32:41,085 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-11-23 02:32:41,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 02:32:41,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:41,110 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 02:32:41,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-23 02:32:41,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 02:32:41,136 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-23 02:32:41,136 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 02:32:41,136 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1) = -8*ULTIMATE.start_main_~j~0#1 + 19*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 Supporting invariants [] [2024-11-23 02:32:41,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-23 02:32:41,211 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2024-11-23 02:32:41,219 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-23 02:32:41,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-23 02:32:41,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:32:41,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 02:32:41,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:32:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:32:41,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 02:32:41,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:32:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:41,336 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 02:32:41,337 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-23 02:32:41,370 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) Result 34 states and 47 transitions. Complement of second has 6 states. [2024-11-23 02:32:41,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-23 02:32:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2024-11-23 02:32:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-11-23 02:32:41,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-23 02:32:41,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:32:41,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-23 02:32:41,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:32:41,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-23 02:32:41,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 02:32:41,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2024-11-23 02:32:41,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:41,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 10 states and 12 transitions. [2024-11-23 02:32:41,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-23 02:32:41,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-23 02:32:41,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2024-11-23 02:32:41,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:32:41,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-23 02:32:41,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2024-11-23 02:32:41,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-23 02:32:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:32:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2024-11-23 02:32:41,408 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-23 02:32:41,408 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-23 02:32:41,408 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 02:32:41,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2024-11-23 02:32:41,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:41,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:32:41,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:32:41,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-23 02:32:41,409 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:32:41,409 INFO L745 eck$LassoCheckResult]: Stem: 188#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 189#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 182#L29-3 assume !(main_~j~0#1 < 10); 183#L29-4 havoc main_~j~0#1; 186#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#4(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#2(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#2(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#4(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 180#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#4(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 181#L43-3 [2024-11-23 02:32:41,409 INFO L747 eck$LassoCheckResult]: Loop: 181#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 187#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 181#L43-3 [2024-11-23 02:32:41,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:41,410 INFO L85 PathProgramCache]: Analyzing trace with hash 889605038, now seen corresponding path program 1 times [2024-11-23 02:32:41,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:41,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45118385] [2024-11-23 02:32:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:32:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:41,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:32:41,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45118385] [2024-11-23 02:32:41,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45118385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 02:32:41,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 02:32:41,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 02:32:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066590582] [2024-11-23 02:32:41,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 02:32:41,497 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:32:41,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:41,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2024-11-23 02:32:41,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:41,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829728984] [2024-11-23 02:32:41,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:41,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:41,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:41,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:41,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:32:41,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 02:32:41,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 02:32:41,538 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:32:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:32:41,554 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-11-23 02:32:41,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-11-23 02:32:41,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:41,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 12 transitions. [2024-11-23 02:32:41,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-23 02:32:41,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-23 02:32:41,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. [2024-11-23 02:32:41,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:32:41,555 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2024-11-23 02:32:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. [2024-11-23 02:32:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2024-11-23 02:32:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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) [2024-11-23 02:32:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2024-11-23 02:32:41,556 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-11-23 02:32:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 02:32:41,557 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-11-23 02:32:41,557 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-23 02:32:41,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2024-11-23 02:32:41,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:41,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:32:41,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:32:41,558 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 02:32:41,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:32:41,559 INFO L745 eck$LassoCheckResult]: Stem: 215#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 216#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 209#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 210#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 211#L29-3 assume !(main_~j~0#1 < 10); 212#L29-4 havoc main_~j~0#1; 213#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#4(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#2(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#2(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#4(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 207#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#4(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 208#L43-3 [2024-11-23 02:32:41,559 INFO L747 eck$LassoCheckResult]: Loop: 208#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 214#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 208#L43-3 [2024-11-23 02:32:41,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:41,559 INFO L85 PathProgramCache]: Analyzing trace with hash 265180976, now seen corresponding path program 1 times [2024-11-23 02:32:41,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:41,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157390647] [2024-11-23 02:32:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:41,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:32:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:41,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:32:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157390647] [2024-11-23 02:32:41,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157390647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 02:32:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985136318] [2024-11-23 02:32:41,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:41,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 02:32:41,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:41,635 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 02:32:41,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-23 02:32:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 02:32:41,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 02:32:41,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:32:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:41,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 02:32:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:41,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985136318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 02:32:41,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 02:32:41,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-23 02:32:41,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542746878] [2024-11-23 02:32:41,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 02:32:41,738 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:32:41,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:41,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2024-11-23 02:32:41,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:41,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514359871] [2024-11-23 02:32:41,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:32:41,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:41,743 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 02:32:41,743 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:32:41,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:41,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:41,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:32:41,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 02:32:41,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 02:32:41,831 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2024-11-23 02:32:41,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:32:41,897 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2024-11-23 02:32:41,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2024-11-23 02:32:41,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:41,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 17 transitions. [2024-11-23 02:32:41,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-23 02:32:41,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-23 02:32:41,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 17 transitions. [2024-11-23 02:32:41,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:32:41,898 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-23 02:32:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 17 transitions. [2024-11-23 02:32:41,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-23 02:32:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.0625) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-23 02:32:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-23 02:32:41,900 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-23 02:32:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 02:32:41,905 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-23 02:32:41,905 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-23 02:32:41,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 17 transitions. [2024-11-23 02:32:41,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:41,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:32:41,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:32:41,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1, 1] [2024-11-23 02:32:41,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:32:41,906 INFO L745 eck$LassoCheckResult]: Stem: 294#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 287#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 288#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 289#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 290#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 300#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 299#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 298#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 297#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 296#L29-3 assume !(main_~j~0#1 < 10); 291#L29-4 havoc main_~j~0#1; 292#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#4(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#2(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#2(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#4(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 285#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#4(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 286#L43-3 [2024-11-23 02:32:41,906 INFO L747 eck$LassoCheckResult]: Loop: 286#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 293#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 286#L43-3 [2024-11-23 02:32:41,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:41,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1745754442, now seen corresponding path program 2 times [2024-11-23 02:32:41,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:41,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83779299] [2024-11-23 02:32:41,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:32:41,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:41,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-23 02:32:42,033 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:32:42,033 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 02:32:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:42,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 02:32:42,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83779299] [2024-11-23 02:32:42,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83779299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 02:32:42,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233640553] [2024-11-23 02:32:42,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 02:32:42,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 02:32:42,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 02:32:42,159 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 02:32:42,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-23 02:32:42,275 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 02:32:42,275 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 02:32:42,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 02:32:42,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 02:32:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:42,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 02:32:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 02:32:42,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233640553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 02:32:42,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 02:32:42,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-23 02:32:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476569313] [2024-11-23 02:32:42,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 02:32:42,350 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-23 02:32:42,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:42,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 3 times [2024-11-23 02:32:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:42,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761599427] [2024-11-23 02:32:42,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:32:42,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:42,354 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 02:32:42,354 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:32:42,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:42,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:42,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 02:32:42,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 02:32:42,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-23 02:32:42,385 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 02:32:42,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 02:32:42,436 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2024-11-23 02:32:42,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2024-11-23 02:32:42,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:42,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 29 transitions. [2024-11-23 02:32:42,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-23 02:32:42,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-11-23 02:32:42,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 29 transitions. [2024-11-23 02:32:42,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 02:32:42,438 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-23 02:32:42,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 29 transitions. [2024-11-23 02:32:42,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-23 02:32:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 27 states have internal predecessors, (29), 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) [2024-11-23 02:32:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-11-23 02:32:42,440 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-23 02:32:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 02:32:42,442 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-23 02:32:42,442 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-23 02:32:42,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 29 transitions. [2024-11-23 02:32:42,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 02:32:42,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 02:32:42,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 02:32:42,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1] [2024-11-23 02:32:42,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 02:32:42,445 INFO L745 eck$LassoCheckResult]: Stem: 432#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 433#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post10#1, main_~j~0#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1, main_#t~mem18#1, main_#t~pre19#1, main_#t~ret20#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummy~0#1.base, main_~#dummy~0#1.offset := #Ultimate.allocOnStack(4);call main_~#dummies~0#1.base, main_~#dummies~0#1.offset := #Ultimate.allocOnStack(40);call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet8#1;main_~i~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~j~0#1 := 0; 425#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 426#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 427#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 428#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 434#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 450#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 449#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 448#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 447#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 446#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 445#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 444#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 443#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 442#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 441#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 440#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 439#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 438#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 437#L29-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet9#1;call write~int#1(main_#t~nondet9#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet9#1;call write~$Pointer$#3(0, 0, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * main_~j~0#1, 4); 436#L29-2 main_#t~post10#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 435#L29-3 assume !(main_~j~0#1 < 10); 429#L29-4 havoc main_~j~0#1; 430#L35 assume main_~i~0#1 > 0 && main_~i~0#1 < 9;call write~int#1(main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~$Pointer$#4(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * (main_~i~0#1 - 1), main_~#dummy~0#1.base, main_~#dummy~0#1.offset, 4);call write~$Pointer$#3(main_~#dummy~0#1.base, main_~#dummy~0#1.offset, main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call write~$Pointer$#2(main_~#dummies~0#1.base, 4 + main_~#dummies~0#1.offset, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$#2(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#3(main_#t~mem11#1.base, main_#t~mem11#1.offset + 4 * main_~i~0#1, 4);call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$#4(main_#t~mem12#1.base, main_#t~mem12#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem13#1.base, 4 + main_#t~mem13#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;call main_#t~mem14#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 423#L41 assume main_#t~mem14#1 > 0;havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$#3(main_~#dummies~0#1.base, main_~#dummies~0#1.offset + 4 * (1 + main_~i~0#1), 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$#4(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);call main_#t~mem17#1 := read~int#1(main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4);main_~i~0#1 := main_#t~mem17#1 - 10;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem17#1; 424#L43-3 [2024-11-23 02:32:42,445 INFO L747 eck$LassoCheckResult]: Loop: 424#L43-3 call main_#t~mem18#1 := read~int#1(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 431#L43-1 assume !!(main_~i~0#1 < main_#t~mem18#1);havoc main_#t~mem18#1;main_#t~pre19#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre19#1; 424#L43-3 [2024-11-23 02:32:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash -95702974, now seen corresponding path program 3 times [2024-11-23 02:32:42,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:42,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897090322] [2024-11-23 02:32:42,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 02:32:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:42,662 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-23 02:32:42,662 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:32:42,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:42,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:42,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:42,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 4 times [2024-11-23 02:32:42,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:42,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430620976] [2024-11-23 02:32:42,733 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 02:32:42,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:42,740 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 02:32:42,742 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 02:32:42,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:42,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 02:32:42,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 02:32:42,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1776243929, now seen corresponding path program 1 times [2024-11-23 02:32:42,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 02:32:42,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050499794] [2024-11-23 02:32:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 02:32:42,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 02:32:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:42,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 02:32:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 02:32:42,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace