./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/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/termination-recursive-malloc/rec_malloc_ex1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 97c126101f069ab488324cfc4632ee48c30de136646e991b84ddea84d63344d8 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:33:31,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:33:31,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:33:31,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:33:31,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:33:31,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:33:31,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:33:31,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:33:31,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:33:31,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:33:31,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:33:31,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:33:31,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:33:31,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:33:31,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:33:31,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:33:31,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:33:31,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:33:31,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:33:31,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:33:31,812 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:33:31,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:33:31,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:33:31,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:33:31,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:33:31,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:33:31,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:33:31,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:33:31,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:33:31,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:33:31,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:33:31,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:33:31,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:33:31,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:33:31,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:33:31,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:33:31,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:33:31,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:33:31,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:33:31,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:33:31,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:33:31,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:33:31,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:33:31,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:33:31,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:33:31,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:33:31,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:33:31,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:33:31,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:33:31,870 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:33:31,870 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:33:31,871 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:33:31,871 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:33:31,872 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:33:31,872 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:33:31,872 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:33:31,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:33:31,872 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:33:31,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:33:31,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:33:31,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:33:31,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:33:31,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:33:31,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:33:31,874 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:33:31,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:33:31,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:33:31,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:33:31,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:33:31,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:33:31,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:33:31,877 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:33:31,877 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c126101f069ab488324cfc4632ee48c30de136646e991b84ddea84d63344d8 [2022-07-23 14:33:32,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:33:32,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:33:32,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:33:32,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:33:32,191 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:33:32,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i [2022-07-23 14:33:32,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1b0018/2220049606e04905acfe0fb1e9d7b115/FLAG51dd6a288 [2022-07-23 14:33:32,715 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:33:32,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1.i [2022-07-23 14:33:32,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1b0018/2220049606e04905acfe0fb1e9d7b115/FLAG51dd6a288 [2022-07-23 14:33:32,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eca1b0018/2220049606e04905acfe0fb1e9d7b115 [2022-07-23 14:33:32,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:33:32,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:33:32,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:33:32,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:33:32,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:33:32,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:32,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480806e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32, skipping insertion in model container [2022-07-23 14:33:32,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:32,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:33:32,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:33:32,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:33:32,964 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:33:32,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:33:32,995 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:33:32,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32 WrapperNode [2022-07-23 14:33:32,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:33:32,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:33:32,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:33:32,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:33:33,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,027 INFO L137 Inliner]: procedures = 11, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2022-07-23 14:33:33,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:33:33,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:33:33,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:33:33,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:33:33,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:33:33,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:33:33,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:33:33,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:33:33,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (1/1) ... [2022-07-23 14:33:33,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:33,105 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) [2022-07-23 14:33:33,112 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 [2022-07-23 14:33:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:33:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-07-23 14:33:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-07-23 14:33:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 14:33:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:33:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:33:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 14:33:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 14:33:33,216 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:33:33,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:33:33,394 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:33:33,398 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:33:33,399 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:33:33,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:33:33 BoogieIcfgContainer [2022-07-23 14:33:33,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:33:33,416 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:33:33,416 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:33:33,419 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:33:33,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:33:33,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:33:32" (1/3) ... [2022-07-23 14:33:33,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68582659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:33:33, skipping insertion in model container [2022-07-23 14:33:33,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:33:33,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:33:32" (2/3) ... [2022-07-23 14:33:33,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@68582659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:33:33, skipping insertion in model container [2022-07-23 14:33:33,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:33:33,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:33:33" (3/3) ... [2022-07-23 14:33:33,422 INFO L354 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex1.i [2022-07-23 14:33:33,463 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:33:33,463 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:33:33,463 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:33:33,463 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:33:33,464 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:33:33,464 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:33:33,464 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:33:33,464 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:33:33,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-23 14:33:33,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:33,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:33:33,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:33:33,486 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:33:33,486 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:33:33,487 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:33:33,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-23 14:33:33,489 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:33,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:33:33,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:33:33,490 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:33:33,490 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:33:33,495 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet7#1;call write~int(main_#t~nondet8#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet8#1; 12#L28-3true [2022-07-23 14:33:33,496 INFO L754 eck$LassoCheckResult]: Loop: 12#L28-3true call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 10#L28-1true assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem10#1;call write~int(-1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 4#L31true call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem11#1);< 11#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 9#L9true assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 15#recFINALtrue assume true; 14#recEXITtrue >#33#return; 13#L31-1true havoc main_#t~mem11#1;call main_#t~mem12#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem12#1 + main_#t~mem13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem12#1;havoc main_#t~mem13#1; 12#L28-3true [2022-07-23 14:33:33,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:33,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2022-07-23 14:33:33,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:33,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665232395] [2022-07-23 14:33:33,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:33,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:33,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:33,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:33,743 INFO L85 PathProgramCache]: Analyzing trace with hash 51331199, now seen corresponding path program 1 times [2022-07-23 14:33:33,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:33,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030585671] [2022-07-23 14:33:33,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:33,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:33,821 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:33,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:33,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1890018113, now seen corresponding path program 1 times [2022-07-23 14:33:33,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:33,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721172224] [2022-07-23 14:33:33,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:33,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 14:33:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:33:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:33:34,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721172224] [2022-07-23 14:33:34,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721172224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:33:34,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:33:34,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 14:33:34,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175099189] [2022-07-23 14:33:34,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:33:34,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:33:34,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 14:33:34,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 14:33:34,720 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-23 14:33:34,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:33:34,807 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-07-23 14:33:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 14:33:34,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2022-07-23 14:33:34,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:34,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 16 transitions. [2022-07-23 14:33:34,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-23 14:33:34,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-23 14:33:34,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2022-07-23 14:33:34,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:33:34,829 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-07-23 14:33:34,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2022-07-23 14:33:34,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-07-23 14:33:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-23 14:33:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-07-23 14:33:34,850 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-07-23 14:33:34,850 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-07-23 14:33:34,850 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:33:34,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2022-07-23 14:33:34,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:34,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:33:34,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:33:34,852 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:33:34,852 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:33:34,852 INFO L752 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 59#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet7#1;call write~int(main_#t~nondet8#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet8#1; 66#L28-3 [2022-07-23 14:33:34,852 INFO L754 eck$LassoCheckResult]: Loop: 66#L28-3 call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 64#L28-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem10#1;call write~int(-1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 62#L31 call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem11#1);< 65#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 60#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 61#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 65#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 60#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 63#recFINAL assume true; 67#recEXIT >#31#return; 68#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 70#recFINAL assume true; 71#recEXIT >#33#return; 69#L31-1 havoc main_#t~mem11#1;call main_#t~mem12#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem12#1 + main_#t~mem13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem12#1;havoc main_#t~mem13#1; 66#L28-3 [2022-07-23 14:33:34,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:34,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2022-07-23 14:33:34,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:34,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434443666] [2022-07-23 14:33:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:34,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:34,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:34,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:34,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash 198344305, now seen corresponding path program 1 times [2022-07-23 14:33:34,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:34,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858931980] [2022-07-23 14:33:34,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:34,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 14:33:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 14:33:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-23 14:33:35,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:33:35,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858931980] [2022-07-23 14:33:35,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858931980] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 14:33:35,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135813351] [2022-07-23 14:33:35,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:35,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:33:35,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:35,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:33:35,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 14:33:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:35,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 38 conjunts are in the unsatisfiable core [2022-07-23 14:33:35,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:33:35,272 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:33:35,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2022-07-23 14:33:36,245 WARN L855 $PredicateComparison]: unable to prove that (and (< |c_rec_#in~i| 0) (exists ((v_ArrVal_102 (Array Int Int))) (= (store |c_old(#memory_int)| |c_rec_#in~op.base| v_ArrVal_102) |c_#memory_int|))) is different from true [2022-07-23 14:33:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-07-23 14:33:36,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 14:33:36,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135813351] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 14:33:36,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 14:33:36,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2022-07-23 14:33:36,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338560579] [2022-07-23 14:33:36,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 14:33:36,558 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:33:36,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:33:36,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 14:33:36,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=228, Unknown=2, NotChecked=30, Total=306 [2022-07-23 14:33:36,559 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-23 14:33:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:33:37,314 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-07-23 14:33:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 14:33:37,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2022-07-23 14:33:37,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:37,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2022-07-23 14:33:37,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-07-23 14:33:37,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-07-23 14:33:37,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-07-23 14:33:37,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:33:37,320 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-23 14:33:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-07-23 14:33:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-23 14:33:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-23 14:33:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-07-23 14:33:37,323 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-23 14:33:37,323 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-07-23 14:33:37,323 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:33:37,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2022-07-23 14:33:37,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:37,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:33:37,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:33:37,325 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:33:37,325 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-07-23 14:33:37,325 INFO L752 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 176#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet7#1;call write~int(main_#t~nondet8#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet8#1; 186#L28-3 [2022-07-23 14:33:37,325 INFO L754 eck$LassoCheckResult]: Loop: 186#L28-3 call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 181#L28-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem10#1;call write~int(-1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 178#L31 call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem11#1);< 182#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 177#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 179#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 182#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 177#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 179#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 182#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 177#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 180#recFINAL assume true; 183#recEXIT >#31#return; 184#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 187#recFINAL assume true; 191#recEXIT >#31#return; 189#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 190#recFINAL assume true; 188#recEXIT >#33#return; 185#L31-1 havoc main_#t~mem11#1;call main_#t~mem12#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem12#1 + main_#t~mem13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem12#1;havoc main_#t~mem13#1; 186#L28-3 [2022-07-23 14:33:37,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2022-07-23 14:33:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:37,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509972230] [2022-07-23 14:33:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:37,338 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:37,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:37,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:37,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1148543297, now seen corresponding path program 2 times [2022-07-23 14:33:37,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:37,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517794296] [2022-07-23 14:33:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 14:33:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 14:33:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 14:33:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-23 14:33:37,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:33:37,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517794296] [2022-07-23 14:33:37,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517794296] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 14:33:37,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641684820] [2022-07-23 14:33:37,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 14:33:37,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 14:33:37,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:37,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 14:33:37,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 14:33:37,632 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 14:33:37,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 14:33:37,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-23 14:33:37,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:33:37,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-23 14:33:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-23 14:33:37,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 14:33:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-23 14:33:38,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641684820] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 14:33:38,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 14:33:38,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 11] total 21 [2022-07-23 14:33:38,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246787276] [2022-07-23 14:33:38,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 14:33:38,220 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 14:33:38,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:33:38,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-23 14:33:38,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-07-23 14:33:38,221 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 21 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 18 states have internal predecessors, (31), 7 states have call successors, (8), 2 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2022-07-23 14:33:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:33:38,357 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-07-23 14:33:38,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 14:33:38,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2022-07-23 14:33:38,359 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:38,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2022-07-23 14:33:38,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-07-23 14:33:38,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-07-23 14:33:38,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-07-23 14:33:38,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 14:33:38,361 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-07-23 14:33:38,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-07-23 14:33:38,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-23 14:33:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-23 14:33:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2022-07-23 14:33:38,364 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-07-23 14:33:38,364 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-07-23 14:33:38,364 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 14:33:38,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2022-07-23 14:33:38,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-07-23 14:33:38,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:33:38,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:33:38,367 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:33:38,369 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-07-23 14:33:38,369 INFO L752 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem9#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet7#1;call write~int(main_#t~nondet8#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet8#1; 399#L28-3 [2022-07-23 14:33:38,370 INFO L754 eck$LassoCheckResult]: Loop: 399#L28-3 call main_#t~mem9#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 394#L28-1 assume !!(main_#t~mem9#1 > 1);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~mem10#1;call write~int(-1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 391#L31 call rec(main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem11#1);< 395#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 390#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 392#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 395#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 390#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 392#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 395#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 390#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 392#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 395#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 390#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 393#recFINAL assume true; 396#recEXIT >#31#return; 397#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 400#recFINAL assume true; 407#recEXIT >#31#return; 406#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 405#recFINAL assume true; 404#recEXIT >#31#return; 402#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 403#recFINAL assume true; 401#recEXIT >#33#return; 398#L31-1 havoc main_#t~mem11#1;call main_#t~mem12#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4);call write~int(main_#t~mem12#1 + main_#t~mem13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem12#1;havoc main_#t~mem13#1; 399#L28-3 [2022-07-23 14:33:38,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:38,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2022-07-23 14:33:38,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:38,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350275742] [2022-07-23 14:33:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:38,381 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:38,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:38,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1161179343, now seen corresponding path program 3 times [2022-07-23 14:33:38,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:38,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279149433] [2022-07-23 14:33:38,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:38,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:38,459 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:38,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:38,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1853588851, now seen corresponding path program 1 times [2022-07-23 14:33:38,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:33:38,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050879279] [2022-07-23 14:33:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:33:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:33:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:38,516 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:33:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:33:38,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:33:41,077 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:33:41,078 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:33:41,078 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:33:41,078 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:33:41,078 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:33:41,078 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,078 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:33:41,078 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:33:41,078 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex1.i_Iteration4_Lasso [2022-07-23 14:33:41,078 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:33:41,079 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:33:41,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:33:41,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:33:41,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:33:41,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,736 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) [2022-07-23 14:33:41,737 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 [2022-07-23 14:33:41,737 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 [2022-07-23 14:33:41,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,763 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 [2022-07-23 14:33:41,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,765 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) [2022-07-23 14:33:41,765 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 [2022-07-23 14:33:41,767 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 [2022-07-23 14:33:41,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,791 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 [2022-07-23 14:33:41,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,793 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) [2022-07-23 14:33:41,794 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 [2022-07-23 14:33:41,800 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 [2022-07-23 14:33:41,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 14:33:41,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,828 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) [2022-07-23 14:33:41,828 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 [2022-07-23 14:33:41,829 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 [2022-07-23 14:33:41,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-23 14:33:41,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,856 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) [2022-07-23 14:33:41,856 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 [2022-07-23 14:33:41,859 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 [2022-07-23 14:33:41,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:33:41,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:33:41,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 14:33:41,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,886 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) [2022-07-23 14:33:41,892 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 [2022-07-23 14:33:41,892 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 [2022-07-23 14:33:41,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,940 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 [2022-07-23 14:33:41,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,941 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) [2022-07-23 14:33:41,950 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 [2022-07-23 14:33:41,951 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 [2022-07-23 14:33:41,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-23 14:33:41,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:41,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:41,975 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) [2022-07-23 14:33:41,976 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 [2022-07-23 14:33:41,977 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 [2022-07-23 14:33:41,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:41,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:41,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:41,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:41,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:41,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:41,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:41,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:41,999 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 [2022-07-23 14:33:42,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:42,001 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) [2022-07-23 14:33:42,004 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 [2022-07-23 14:33:42,005 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 [2022-07-23 14:33:42,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:42,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:33:42,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:42,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:42,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:42,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:33:42,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:33:42,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:42,029 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 [2022-07-23 14:33:42,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:42,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:42,030 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) [2022-07-23 14:33:42,031 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 [2022-07-23 14:33:42,033 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 [2022-07-23 14:33:42,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:42,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:42,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:42,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:42,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:33:42,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:33:42,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:33:42,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-23 14:33:42,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:42,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:42,062 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) [2022-07-23 14:33:42,062 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 [2022-07-23 14:33:42,064 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 [2022-07-23 14:33:42,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:33:42,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:33:42,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:33:42,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:33:42,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:33:42,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:33:42,088 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:33:42,120 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-23 14:33:42,121 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-23 14:33:42,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:33:42,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:33:42,127 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) [2022-07-23 14:33:42,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:33:42,133 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 [2022-07-23 14:33:42,154 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:33:42,154 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:33:42,155 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2022-07-23 14:33:42,180 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 [2022-07-23 14:33:42,223 INFO L293 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-07-23 14:33:42,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:33:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:42,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:33:42,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:33:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:33:42,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 64 conjunts are in the unsatisfiable core [2022-07-23 14:33:42,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:33:42,401 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-07-23 14:33:42,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 64 [2022-07-23 14:33:42,439 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-07-23 14:33:42,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2022-07-23 14:33:42,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-23 14:33:42,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-07-23 14:33:42,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-07-23 14:33:42,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-07-23 14:33:42,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2022-07-23 14:33:42,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 14:33:42,900 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-23 14:33:42,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-07-23 14:33:43,083 INFO L356 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-07-23 14:33:43,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30 [2022-07-23 14:33:43,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 14:33:43,912 INFO L356 Elim1Store]: treesize reduction 243, result has 37.2 percent of original size [2022-07-23 14:33:43,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 101 treesize of output 386 [2022-07-23 14:33:44,301 INFO L356 Elim1Store]: treesize reduction 8, result has 93.4 percent of original size [2022-07-23 14:33:44,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 396 treesize of output 496 [2022-07-23 14:33:47,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:48,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:49,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:49,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:49,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 14:33:50,149 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:50,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:50,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:50,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:50,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:50,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:50,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:50,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:50,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:50,584 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:50,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:50,670 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:50,715 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:50,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:50,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:50,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:50,972 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:50,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:51,257 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:51,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:51,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:51,426 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:51,426 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:51,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:51,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:51,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:51,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:51,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:51,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:51,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:51,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:52,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,093 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:53,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:53,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:53,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:53,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:53,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:53,832 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:53,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:54,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:54,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,441 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,473 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:54,589 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,739 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:54,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:54,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:54,893 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:54,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:55,021 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:55,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:55,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:55,155 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:55,155 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:55,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:55,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:55,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:55,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:55,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:55,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:55,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:55,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:55,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:55,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:56,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:56,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:56,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:56,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:56,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:56,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:56,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:56,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:56,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:56,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:57,627 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:57,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:57,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:57,767 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:33:57,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:33:58,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:58,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:58,126 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:58,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:58,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,652 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:58,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:58,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:59,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,117 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:59,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:59,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:59,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:33:59,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:33:59,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:00,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:00,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:00,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:00,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:00,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:00,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:00,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:00,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:00,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:00,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:00,920 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:34:00,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:34:01,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:01,073 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:34:01,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:34:01,232 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:34:01,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:34:01,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:01,377 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:34:01,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:34:02,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:02,570 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:02,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:02,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:02,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:02,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:02,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-07-23 14:34:03,837 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:03,985 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:34:03,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:34:04,112 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:34:04,168 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:34:04,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 14:35:38,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:35:38,134 INFO L356 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-07-23 14:35:38,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 102 [2022-07-23 14:35:38,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:35:38,203 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:35:38,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-07-23 14:35:38,256 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:35:38,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-07-23 14:35:38,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:35:38,359 INFO L356 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2022-07-23 14:35:38,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 1 [2022-07-23 14:35:38,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:35:38,445 INFO L356 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2022-07-23 14:35:38,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 102 [2022-07-23 14:35:38,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-07-23 14:35:38,563 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:35:38,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-07-23 14:35:38,637 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 14:35:38,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2022-07-23 14:35:38,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:35:38,763 INFO L356 Elim1Store]: treesize reduction 158, result has 0.6 percent of original size [2022-07-23 14:35:38,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 1 [2022-07-23 14:35:38,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:35:38,812 INFO L356 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2022-07-23 14:35:38,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 1 [2022-07-23 14:35:38,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 14:35:38,860 INFO L356 Elim1Store]: treesize reduction 158, result has 0.6 percent of original size [2022-07-23 14:35:38,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 1