./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/list-ext-properties/simple-ext.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:16:57,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:16:57,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:16:57,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:16:57,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:16:57,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:16:57,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:16:57,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:16:57,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:16:57,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:16:57,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:16:57,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:16:57,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:16:57,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:16:57,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:16:57,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:16:57,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:16:57,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:16:57,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:16:57,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:16:57,100 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:16:57,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:16:57,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:16:57,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:16:57,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:16:57,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:16:57,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:16:57,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:16:57,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:16:57,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:16:57,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:16:57,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:16:57,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:16:57,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:16:57,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:16:57,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:16:57,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:16:57,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:16:57,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:16:57,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:16:57,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:16:57,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:16:57,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:16:57,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:16:57,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:16:57,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:16:57,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:16:57,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:16:57,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:16:57,154 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:16:57,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:16:57,154 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:16:57,155 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:16:57,155 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:16:57,156 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:16:57,156 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:16:57,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:16:57,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:16:57,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:16:57,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:16:57,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:16:57,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:16:57,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:16:57,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:16:57,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:16:57,158 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:16:57,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:16:57,158 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:16:57,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:16:57,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:16:57,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:16:57,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:16:57,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:16:57,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:16:57,162 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:16:57,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2022-07-22 02:16:57,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:16:57,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:16:57,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:16:57,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:16:57,514 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:16:57,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-07-22 02:16:57,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c167603/7331ba49262f4d3587d69bf8852a3a72/FLAGe86da83e0 [2022-07-22 02:16:58,001 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:16:58,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i [2022-07-22 02:16:58,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c167603/7331ba49262f4d3587d69bf8852a3a72/FLAGe86da83e0 [2022-07-22 02:16:58,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2c167603/7331ba49262f4d3587d69bf8852a3a72 [2022-07-22 02:16:58,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:16:58,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:16:58,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:16:58,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:16:58,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:16:58,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58561aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58, skipping insertion in model container [2022-07-22 02:16:58,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:16:58,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:16:58,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-07-22 02:16:58,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:16:58,745 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:16:58,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2022-07-22 02:16:58,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:16:58,832 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:16:58,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58 WrapperNode [2022-07-22 02:16:58,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:16:58,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:16:58,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:16:58,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:16:58,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,881 INFO L137 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-07-22 02:16:58,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:16:58,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:16:58,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:16:58,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:16:58,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:16:58,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:16:58,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:16:58,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:16:58,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (1/1) ... [2022-07-22 02:16:58,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:16:58,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:16:58,955 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) [2022-07-22 02:16:58,977 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 [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 02:16:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 02:16:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:16:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:16:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:16:59,108 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:16:59,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:16:59,267 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:16:59,271 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:16:59,272 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 02:16:59,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:16:59 BoogieIcfgContainer [2022-07-22 02:16:59,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:16:59,275 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:16:59,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:16:59,277 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:16:59,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:16:59,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:16:58" (1/3) ... [2022-07-22 02:16:59,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ab29d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:16:59, skipping insertion in model container [2022-07-22 02:16:59,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:16:59,279 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:16:58" (2/3) ... [2022-07-22 02:16:59,279 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ab29d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:16:59, skipping insertion in model container [2022-07-22 02:16:59,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:16:59,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:16:59" (3/3) ... [2022-07-22 02:16:59,281 INFO L354 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2022-07-22 02:16:59,321 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:16:59,321 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:16:59,321 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:16:59,322 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:16:59,322 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:16:59,322 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:16:59,322 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:16:59,322 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:16:59,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:16:59,338 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-07-22 02:16:59,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:16:59,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:16:59,342 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 02:16:59,342 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:16:59,342 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:16:59,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:16:59,345 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2022-07-22 02:16:59,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:16:59,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:16:59,345 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 02:16:59,345 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:16:59,350 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L533true assume main_~a~0#1.base == 0 && main_~a~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 2#L525true [2022-07-22 02:16:59,350 INFO L754 eck$LassoCheckResult]: Loop: 2#L525true assume true; 2#L525true [2022-07-22 02:16:59,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:59,365 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-07-22 02:16:59,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:59,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913082958] [2022-07-22 02:16:59,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:16:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:16:59,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:16:59,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913082958] [2022-07-22 02:16:59,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913082958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:16:59,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:16:59,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 02:16:59,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464074622] [2022-07-22 02:16:59,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:16:59,498 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:16:59,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:59,500 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2022-07-22 02:16:59,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:59,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034365657] [2022-07-22 02:16:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,512 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:16:59,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:16:59,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 02:16:59,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 02:16:59,558 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:16:59,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:16:59,571 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-07-22 02:16:59,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 02:16:59,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2022-07-22 02:16:59,579 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-07-22 02:16:59,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2022-07-22 02:16:59,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-22 02:16:59,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-22 02:16:59,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-07-22 02:16:59,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:16:59,583 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-22 02:16:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-07-22 02:16:59,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-07-22 02:16:59,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:16:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-07-22 02:16:59,601 INFO L392 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-22 02:16:59,601 INFO L374 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-07-22 02:16:59,601 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:16:59,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-07-22 02:16:59,603 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-07-22 02:16:59,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:16:59,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:16:59,603 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 02:16:59,603 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 02:16:59,604 INFO L752 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 51#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 56#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 57#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 49#L537-2 [2022-07-22 02:16:59,604 INFO L754 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 58#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 49#L537-2 [2022-07-22 02:16:59,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:59,605 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2022-07-22 02:16:59,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:59,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979497181] [2022-07-22 02:16:59,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:59,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,631 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:16:59,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:59,645 INFO L85 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2022-07-22 02:16:59,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:59,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688299237] [2022-07-22 02:16:59,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:59,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:16:59,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:16:59,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2022-07-22 02:16:59,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:16:59,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866415820] [2022-07-22 02:16:59,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:16:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:16:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,761 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:16:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:16:59,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:00,300 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 02:17:00,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 02:17:00,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 02:17:00,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 02:17:00,301 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 02:17:00,301 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:00,301 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 02:17:00,301 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 02:17:00,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2022-07-22 02:17:00,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 02:17:00,302 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 02:17:00,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 02:17:00,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 02:17:00,942 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 02:17:00,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:00,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:00,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:00,974 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 [2022-07-22 02:17:00,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:00,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:00,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:00,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:00,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:00,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:00,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:00,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 02:17:00,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 02:17:01,025 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 [2022-07-22 02:17:01,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-22 02:17:01,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,063 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) [2022-07-22 02:17:01,063 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 [2022-07-22 02:17:01,066 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 [2022-07-22 02:17:01,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,101 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 [2022-07-22 02:17:01,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,103 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) [2022-07-22 02:17:01,110 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 [2022-07-22 02:17:01,111 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 [2022-07-22 02:17:01,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,136 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 [2022-07-22 02:17:01,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,138 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) [2022-07-22 02:17:01,144 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 [2022-07-22 02:17:01,144 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 [2022-07-22 02:17:01,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,177 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 [2022-07-22 02:17:01,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,181 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) [2022-07-22 02:17:01,182 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 [2022-07-22 02:17:01,182 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 [2022-07-22 02:17:01,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:01,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:01,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,225 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) [2022-07-22 02:17:01,226 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 [2022-07-22 02:17:01,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:17:01,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-22 02:17:01,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,266 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) [2022-07-22 02:17:01,267 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 [2022-07-22 02:17:01,269 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 [2022-07-22 02:17:01,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,325 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 [2022-07-22 02:17:01,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,327 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) [2022-07-22 02:17:01,328 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 [2022-07-22 02:17:01,330 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 [2022-07-22 02:17:01,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,358 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) [2022-07-22 02:17:01,359 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 [2022-07-22 02:17:01,361 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 [2022-07-22 02:17:01,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-22 02:17:01,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,401 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) [2022-07-22 02:17:01,405 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 [2022-07-22 02:17:01,406 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 [2022-07-22 02:17:01,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:01,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:01,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,449 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 [2022-07-22 02:17:01,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,450 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) [2022-07-22 02:17:01,456 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 [2022-07-22 02:17:01,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,464 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 [2022-07-22 02:17:01,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,480 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 [2022-07-22 02:17:01,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,481 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) [2022-07-22 02:17:01,482 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 [2022-07-22 02:17:01,488 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 [2022-07-22 02:17:01,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:01,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:01,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,526 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 [2022-07-22 02:17:01,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,528 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) [2022-07-22 02:17:01,528 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 [2022-07-22 02:17:01,530 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 [2022-07-22 02:17:01,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-22 02:17:01,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,569 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 02:17:01,571 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 [2022-07-22 02:17:01,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,577 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-22 02:17:01,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,593 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-22 02:17:01,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,615 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 02:17:01,618 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 [2022-07-22 02:17:01,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,648 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 02:17:01,650 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 [2022-07-22 02:17:01,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,681 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 02:17:01,683 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 [2022-07-22 02:17:01,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,724 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,730 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 [2022-07-22 02:17:01,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 02:17:01,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,737 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-22 02:17:01,737 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-22 02:17:01,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,747 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-07-22 02:17:01,747 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-22 02:17:01,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,784 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 02:17:01,786 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 [2022-07-22 02:17:01,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:01,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:01,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:01,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,855 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 02:17:01,857 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 [2022-07-22 02:17:01,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:01,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:01,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-22 02:17:01,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,904 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 02:17:01,906 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 [2022-07-22 02:17:01,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-22 02:17:01,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,932 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 02:17:01,934 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 [2022-07-22 02:17:01,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:01,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:01,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:01,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:01,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:01,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:01,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:01,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:01,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-07-22 02:17:01,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:01,959 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:01,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 02:17:02,000 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 [2022-07-22 02:17:02,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:02,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:02,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:02,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,024 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:02,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 02:17:02,026 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 [2022-07-22 02:17:02,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-22 02:17:02,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,105 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:02,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 02:17:02,112 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 [2022-07-22 02:17:02,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,153 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:02,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 02:17:02,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:17:02,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-22 02:17:02,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,196 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:02,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 02:17:02,198 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 [2022-07-22 02:17:02,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,228 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:17:02,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 02:17:02,229 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 [2022-07-22 02:17:02,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,272 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2022-07-22 02:17:02,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-22 02:17:02,274 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 [2022-07-22 02:17:02,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:02,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:02,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:02,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,302 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2022-07-22 02:17:02,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 02:17:02,305 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 [2022-07-22 02:17:02,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-22 02:17:02,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,338 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2022-07-22 02:17:02,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 02:17:02,340 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 [2022-07-22 02:17:02,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:02,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:02,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:02,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,371 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2022-07-22 02:17:02,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 02:17:02,373 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 [2022-07-22 02:17:02,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-22 02:17:02,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,411 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2022-07-22 02:17:02,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 02:17:02,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 02:17:02,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,449 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2022-07-22 02:17:02,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 02:17:02,451 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 [2022-07-22 02:17:02,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,490 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2022-07-22 02:17:02,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 02:17:02,492 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 [2022-07-22 02:17:02,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,529 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2022-07-22 02:17:02,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 02:17:02,537 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 [2022-07-22 02:17:02,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:02,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:02,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:02,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,572 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2022-07-22 02:17:02,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 02:17:02,574 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 [2022-07-22 02:17:02,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 02:17:02,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 02:17:02,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 02:17:02,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 02:17:02,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,615 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2022-07-22 02:17:02,617 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 [2022-07-22 02:17:02,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 02:17:02,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 02:17:02,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 02:17:02,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 02:17:02,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 02:17:02,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 02:17:02,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 02:17:02,636 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 02:17:02,668 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-22 02:17:02,668 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-07-22 02:17:02,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:17:02,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:02,671 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2022-07-22 02:17:02,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 02:17:02,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 02:17:02,694 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-22 02:17:02,694 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 02:17:02,695 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 59 Supporting invariants [] [2022-07-22 02:17:02,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-22 02:17:02,742 INFO L293 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-07-22 02:17:02,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:02,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 02:17:02,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:17:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:02,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 02:17:02,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:17:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:02,834 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 02:17:02,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 02:17:02,835 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:02,866 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 26 transitions. Complement of second has 7 states. [2022-07-22 02:17:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 02:17:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-07-22 02:17:02,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2022-07-22 02:17:02,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:17:02,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2022-07-22 02:17:02,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:17:02,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2022-07-22 02:17:02,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 02:17:02,872 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2022-07-22 02:17:02,873 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-07-22 02:17:02,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2022-07-22 02:17:02,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-07-22 02:17:02,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-07-22 02:17:02,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-07-22 02:17:02,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:17:02,874 INFO L369 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-22 02:17:02,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-07-22 02:17:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-07-22 02:17:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-07-22 02:17:02,875 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-22 02:17:02,876 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-07-22 02:17:02,876 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 02:17:02,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-07-22 02:17:02,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-07-22 02:17:02,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:17:02,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:17:02,877 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 02:17:02,877 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 02:17:02,877 INFO L752 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 174#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 175#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 176#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 172#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 173#L549-2 [2022-07-22 02:17:02,877 INFO L754 eck$LassoCheckResult]: Loop: 173#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 180#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 181#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 173#L549-2 [2022-07-22 02:17:02,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:02,877 INFO L85 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2022-07-22 02:17:02,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:02,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072132502] [2022-07-22 02:17:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:02,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:02,891 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:02,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:02,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:02,903 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2022-07-22 02:17:02,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:02,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694122191] [2022-07-22 02:17:02,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:02,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:02,908 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:02,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:02,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2022-07-22 02:17:02,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:02,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242791910] [2022-07-22 02:17:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:02,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:17:02,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242791910] [2022-07-22 02:17:02,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242791910] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:17:02,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:17:02,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:17:02,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533502442] [2022-07-22 02:17:02,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:17:03,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:17:03,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 02:17:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 02:17:03,016 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:03,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:17:03,076 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2022-07-22 02:17:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 02:17:03,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2022-07-22 02:17:03,078 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2022-07-22 02:17:03,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2022-07-22 02:17:03,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-07-22 02:17:03,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-07-22 02:17:03,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2022-07-22 02:17:03,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 02:17:03,080 INFO L369 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-07-22 02:17:03,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2022-07-22 02:17:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2022-07-22 02:17:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-07-22 02:17:03,083 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-22 02:17:03,083 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-07-22 02:17:03,083 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 02:17:03,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-07-22 02:17:03,084 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-07-22 02:17:03,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:17:03,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:17:03,084 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-22 02:17:03,084 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:17:03,084 INFO L752 eck$LassoCheckResult]: Stem: 228#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 229#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 234#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 235#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 236#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 237#L540 assume main_~t~0#1.base == 0 && main_~t~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1; 238#L525-1 [2022-07-22 02:17:03,084 INFO L754 eck$LassoCheckResult]: Loop: 238#L525-1 assume true; 238#L525-1 [2022-07-22 02:17:03,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,085 INFO L85 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2022-07-22 02:17:03,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948663641] [2022-07-22 02:17:03,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:03,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:17:03,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948663641] [2022-07-22 02:17:03,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948663641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:17:03,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:17:03,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 02:17:03,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334295712] [2022-07-22 02:17:03,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:17:03,115 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:17:03,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,116 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2022-07-22 02:17:03,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154431948] [2022-07-22 02:17:03,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,119 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:03,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:17:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 02:17:03,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 02:17:03,124 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:03,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:17:03,130 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-07-22 02:17:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 02:17:03,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-07-22 02:17:03,132 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2022-07-22 02:17:03,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2022-07-22 02:17:03,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 02:17:03,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 02:17:03,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-07-22 02:17:03,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:17:03,133 INFO L369 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-07-22 02:17:03,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-07-22 02:17:03,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-07-22 02:17:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-07-22 02:17:03,135 INFO L392 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-07-22 02:17:03,135 INFO L374 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-07-22 02:17:03,135 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 02:17:03,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-07-22 02:17:03,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:17:03,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:17:03,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:17:03,136 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:17:03,136 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 02:17:03,136 INFO L752 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 277#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 278#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 280#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 275#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 276#L549-2 assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0); 274#L549-3 main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset; 273#L557-2 [2022-07-22 02:17:03,136 INFO L754 eck$LassoCheckResult]: Loop: 273#L557-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~tmp~0#1.base, main_~tmp~0#1.offset; 273#L557-2 [2022-07-22 02:17:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,137 INFO L85 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2022-07-22 02:17:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542291235] [2022-07-22 02:17:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:03,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:17:03,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542291235] [2022-07-22 02:17:03,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542291235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:17:03,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:17:03,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:17:03,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335616641] [2022-07-22 02:17:03,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:17:03,165 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-22 02:17:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2022-07-22 02:17:03,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909346880] [2022-07-22 02:17:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,171 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:03,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:17:03,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 02:17:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 02:17:03,226 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:03,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:17:03,249 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-07-22 02:17:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 02:17:03,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-07-22 02:17:03,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:17:03,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2022-07-22 02:17:03,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 02:17:03,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 02:17:03,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-07-22 02:17:03,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:17:03,251 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-07-22 02:17:03,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-07-22 02:17:03,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-07-22 02:17:03,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-22 02:17:03,252 INFO L392 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-22 02:17:03,252 INFO L374 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-22 02:17:03,252 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 02:17:03,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-07-22 02:17:03,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:17:03,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:17:03,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:17:03,252 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:17:03,252 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 02:17:03,253 INFO L752 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 319#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 324#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 325#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 326#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 327#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 316#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 317#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 321#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 322#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 328#L550 [2022-07-22 02:17:03,253 INFO L754 eck$LassoCheckResult]: Loop: 328#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 329#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 330#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 328#L550 [2022-07-22 02:17:03,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,253 INFO L85 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2022-07-22 02:17:03,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897229982] [2022-07-22 02:17:03,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:03,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,279 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2022-07-22 02:17:03,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920602519] [2022-07-22 02:17:03,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,282 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:03,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:03,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:03,285 INFO L85 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2022-07-22 02:17:03,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:03,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456480794] [2022-07-22 02:17:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:17:03,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456480794] [2022-07-22 02:17:03,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456480794] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 02:17:03,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383033957] [2022-07-22 02:17:03,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:03,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 02:17:03,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:03,363 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 02:17:03,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-07-22 02:17:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:03,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjunts are in the unsatisfiable core [2022-07-22 02:17:03,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:17:03,500 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-22 02:17:03,507 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 02:17:03,508 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 11 treesize of output 11 [2022-07-22 02:17:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 02:17:03,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-07-22 02:17:03,593 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 14 treesize of output 16 [2022-07-22 02:17:03,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 02:17:03,617 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 02:17:03,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 10 [2022-07-22 02:17:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:03,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 02:17:03,677 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)))) is different from false [2022-07-22 02:17:03,710 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_185 Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_185)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)))) is different from false [2022-07-22 02:17:03,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 02:17:03,744 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 02:17:03,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2022-07-22 02:17:03,759 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 02:17:03,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 33 treesize of output 36 [2022-07-22 02:17:03,767 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 20 treesize of output 18 [2022-07-22 02:17:03,777 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-07-22 02:17:03,777 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 13 treesize of output 12 [2022-07-22 02:17:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-07-22 02:17:03,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383033957] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 02:17:03,862 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 02:17:03,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2022-07-22 02:17:03,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825485705] [2022-07-22 02:17:03,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 02:17:03,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:17:03,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-22 02:17:03,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=224, Unknown=2, NotChecked=62, Total=342 [2022-07-22 02:17:03,927 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:04,287 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~a~0#1.base|) 1) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_185 Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_185)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)))) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) is different from false [2022-07-22 02:17:04,581 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_123| Int) (v_ArrVal_185 Int) (v_ArrVal_188 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_123| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_123|)) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_185)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_188) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_123|) 1)))) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) is different from false [2022-07-22 02:17:04,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:17:04,693 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-07-22 02:17:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 02:17:04,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2022-07-22 02:17:04,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:17:04,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 23 states and 25 transitions. [2022-07-22 02:17:04,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-22 02:17:04,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-22 02:17:04,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2022-07-22 02:17:04,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:17:04,695 INFO L369 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-07-22 02:17:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2022-07-22 02:17:04,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-07-22 02:17:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-07-22 02:17:04,696 INFO L392 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-07-22 02:17:04,696 INFO L374 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-07-22 02:17:04,696 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 02:17:04,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2022-07-22 02:17:04,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-07-22 02:17:04,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:17:04,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:17:04,696 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:17:04,696 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 02:17:04,697 INFO L752 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 470#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~post7#1, main_#t~nondet4#1, main_#t~mem8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~post10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 475#L533 assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0); 476#L533-1 havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 478#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 479#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 484#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 480#L537-2 assume !!(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 477#L540 assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0); 467#L540-1 call write~$Pointer$(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 468#L537-2 assume !(main_~i~0#1 < 30 && 0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 472#L537-3 call write~int(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0; 473#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 481#L550 [2022-07-22 02:17:04,697 INFO L754 eck$LassoCheckResult]: Loop: 481#L550 assume !(1 != main_#t~mem8#1);havoc main_#t~mem8#1; 482#L550-2 call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset;main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 483#L549-2 assume !!(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);call main_#t~mem8#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 481#L550 [2022-07-22 02:17:04,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:04,697 INFO L85 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2022-07-22 02:17:04,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:04,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864004470] [2022-07-22 02:17:04,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:04,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:04,728 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:04,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:04,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:04,742 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2022-07-22 02:17:04,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:04,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206336660] [2022-07-22 02:17:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:04,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:04,745 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:17:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:17:04,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:17:04,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:17:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2022-07-22 02:17:04,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:17:04,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415255424] [2022-07-22 02:17:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:17:04,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:17:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:17:04,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:17:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:17:04,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415255424] [2022-07-22 02:17:04,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415255424] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 02:17:04,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828044012] [2022-07-22 02:17:04,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 02:17:04,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 02:17:04,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:17:04,876 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 02:17:04,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-07-22 02:17:04,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 02:17:04,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 02:17:04,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-22 02:17:04,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 02:17:04,967 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 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-22 02:17:05,009 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 02:17:05,010 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 11 treesize of output 11 [2022-07-22 02:17:05,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-22 02:17:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 02:17:05,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-07-22 02:17:05,083 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-22 02:17:05,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-22 02:17:05,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-22 02:17:05,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-22 02:17:05,143 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 14 treesize of output 16 [2022-07-22 02:17:05,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-22 02:17:05,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 02:17:05,163 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 02:17:05,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 10 [2022-07-22 02:17:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 02:17:05,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 02:17:05,302 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)) (not (= 0 (select |c_#valid| |v_ULTIMATE.start_main_~t~0#1.base_55|))) (not (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)))) is different from false [2022-07-22 02:17:05,316 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-07-22 02:17:05,317 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 13 treesize of output 12 [2022-07-22 02:17:05,343 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_316 Int) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |v_ULTIMATE.start_main_~t~0#1.base_55| |c_ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_316)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)))) is different from false [2022-07-22 02:17:05,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 02:17:05,387 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 02:17:05,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2022-07-22 02:17:05,396 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 02:17:05,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 68 [2022-07-22 02:17:05,401 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 52 treesize of output 50 [2022-07-22 02:17:05,405 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 50 treesize of output 46 [2022-07-22 02:17:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-07-22 02:17:05,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828044012] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 02:17:05,574 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 02:17:05,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 24 [2022-07-22 02:17:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845205111] [2022-07-22 02:17:05,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 02:17:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:17:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-22 02:17:05,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=389, Unknown=2, NotChecked=82, Total=552 [2022-07-22 02:17:05,634 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:17:06,042 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_main_~a~0#1.base|) 1) (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~i~0#1| 0) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_316 Int) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |v_ULTIMATE.start_main_~t~0#1.base_55| |c_ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_316)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) is different from false [2022-07-22 02:17:06,405 WARN L833 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~t~0#1.base|)) (= |c_ULTIMATE.start_main_~p~0#1.offset| |c_ULTIMATE.start_main_~a~0#1.offset|) (forall ((|v_ULTIMATE.start_main_~p~0#1.offset_131| Int) (v_ArrVal_322 (Array Int Int)) (v_ArrVal_316 Int) (|v_ULTIMATE.start_main_~t~0#1.base_55| Int) (v_ArrVal_324 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~p~0#1.offset_131| |c_ULTIMATE.start_main_~a~0#1.offset|)) (= |v_ULTIMATE.start_main_~t~0#1.base_55| |c_ULTIMATE.start_main_~p~0#1.base|) (not (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4) v_ArrVal_316)) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_322) |v_ULTIMATE.start_main_~t~0#1.base_55| v_ArrVal_324) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_131|) 1)) (not (<= 0 |v_ULTIMATE.start_main_~p~0#1.offset_131|)))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 0) (= |c_ULTIMATE.start_main_~p~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) is different from false [2022-07-22 02:17:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:17:06,473 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-07-22 02:17:06,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 02:17:06,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2022-07-22 02:17:06,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:17:06,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2022-07-22 02:17:06,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 02:17:06,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 02:17:06,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 02:17:06,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:17:06,474 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:17:06,474 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:17:06,474 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 02:17:06,474 INFO L287 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 02:17:06,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 02:17:06,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 02:17:06,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 02:17:06,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:17:06 BoogieIcfgContainer [2022-07-22 02:17:06,478 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:17:06,479 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:17:06,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:17:06,479 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:17:06,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:16:59" (3/4) ... [2022-07-22 02:17:06,481 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 02:17:06,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:17:06,481 INFO L158 Benchmark]: Toolchain (without parser) took 8096.47ms. Allocated memory was 52.4MB in the beginning and 111.1MB in the end (delta: 58.7MB). Free memory was 29.0MB in the beginning and 54.6MB in the end (delta: -25.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-07-22 02:17:06,481 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:17:06,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.30ms. Allocated memory is still 52.4MB. Free memory was 28.8MB in the beginning and 30.0MB in the end (delta: -1.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-07-22 02:17:06,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.58ms. Allocated memory is still 52.4MB. Free memory was 30.0MB in the beginning and 28.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:17:06,482 INFO L158 Benchmark]: Boogie Preprocessor took 44.59ms. Allocated memory is still 52.4MB. Free memory was 28.1MB in the beginning and 26.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:17:06,482 INFO L158 Benchmark]: RCFGBuilder took 346.84ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 26.6MB in the beginning and 36.1MB in the end (delta: -9.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-07-22 02:17:06,482 INFO L158 Benchmark]: BuchiAutomizer took 7203.62ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 36.1MB in the beginning and 54.6MB in the end (delta: -18.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-07-22 02:17:06,482 INFO L158 Benchmark]: Witness Printer took 2.12ms. Allocated memory is still 111.1MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:17:06,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.30ms. Allocated memory is still 52.4MB. Free memory was 28.8MB in the beginning and 30.0MB in the end (delta: -1.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.58ms. Allocated memory is still 52.4MB. Free memory was 30.0MB in the beginning and 28.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.59ms. Allocated memory is still 52.4MB. Free memory was 28.1MB in the beginning and 26.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.84ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 26.6MB in the beginning and 36.1MB in the end (delta: -9.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 7203.62ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 36.1MB in the beginning and 54.6MB in the end (delta: -18.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 2.12ms. Allocated memory is still 111.1MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 96 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 67 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax108 hnf100 lsp87 ukn59 mio100 lsp20 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 02:17:06,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2022-07-22 02:17:06,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2022-07-22 02:17:06,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE