./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.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 f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 17:21:29,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 17:21:29,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 17:21:29,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 17:21:29,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 17:21:29,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 17:21:29,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 17:21:29,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 17:21:29,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 17:21:29,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 17:21:29,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 17:21:29,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 17:21:29,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 17:21:29,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 17:21:29,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 17:21:29,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 17:21:29,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 17:21:29,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 17:21:29,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 17:21:29,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 17:21:29,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 17:21:29,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 17:21:29,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 17:21:29,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 17:21:29,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 17:21:29,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 17:21:29,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 17:21:29,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 17:21:29,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 17:21:29,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 17:21:29,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 17:21:29,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 17:21:29,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 17:21:29,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 17:21:29,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 17:21:29,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 17:21:29,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 17:21:29,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 17:21:29,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 17:21:29,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 17:21:29,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 17:21:29,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 17:21:29,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 17:21:29,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 17:21:29,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 17:21:29,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 17:21:29,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 17:21:29,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 17:21:29,233 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 17:21:29,233 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 17:21:29,233 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 17:21:29,233 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 17:21:29,234 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 17:21:29,234 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 17:21:29,234 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 17:21:29,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 17:21:29,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 17:21:29,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 17:21:29,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 17:21:29,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 17:21:29,236 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 17:21:29,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 17:21:29,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 17:21:29,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 17:21:29,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 17:21:29,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 17:21:29,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 17:21:29,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 17:21:29,238 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 17:21:29,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-12-19 17:21:29,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 17:21:29,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 17:21:29,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 17:21:29,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 17:21:29,424 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 17:21:29,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-12-19 17:21:29,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e9b1a1a/bfd218d8c043484b83598f36f831b80c/FLAG617ea0c24 [2021-12-19 17:21:29,803 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 17:21:29,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-12-19 17:21:29,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e9b1a1a/bfd218d8c043484b83598f36f831b80c/FLAG617ea0c24 [2021-12-19 17:21:29,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15e9b1a1a/bfd218d8c043484b83598f36f831b80c [2021-12-19 17:21:29,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 17:21:29,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 17:21:29,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 17:21:29,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 17:21:29,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 17:21:29,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:29,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617f3d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29, skipping insertion in model container [2021-12-19 17:21:29,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:29,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 17:21:29,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 17:21:29,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:21:29,948 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 17:21:29,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 17:21:29,988 INFO L208 MainTranslator]: Completed translation [2021-12-19 17:21:29,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29 WrapperNode [2021-12-19 17:21:29,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 17:21:29,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 17:21:29,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 17:21:29,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 17:21:29,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:29,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,009 INFO L137 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-12-19 17:21:30,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 17:21:30,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 17:21:30,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 17:21:30,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 17:21:30,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 17:21:30,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 17:21:30,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 17:21:30,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 17:21:30,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (1/1) ... [2021-12-19 17:21:30,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:30,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:30,056 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) [2021-12-19 17:21:30,062 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 [2021-12-19 17:21:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 17:21:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 17:21:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-12-19 17:21:30,122 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 17:21:30,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 17:21:30,245 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 17:21:30,250 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 17:21:30,250 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-19 17:21:30,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:21:30 BoogieIcfgContainer [2021-12-19 17:21:30,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 17:21:30,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 17:21:30,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 17:21:30,254 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 17:21:30,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:21:30,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 05:21:29" (1/3) ... [2021-12-19 17:21:30,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18afcd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:21:30, skipping insertion in model container [2021-12-19 17:21:30,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:21:30,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:29" (2/3) ... [2021-12-19 17:21:30,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18afcd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 05:21:30, skipping insertion in model container [2021-12-19 17:21:30,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 17:21:30,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:21:30" (3/3) ... [2021-12-19 17:21:30,256 INFO L388 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-12-19 17:21:30,283 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 17:21:30,283 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 17:21:30,284 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 17:21:30,284 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 17:21:30,284 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 17:21:30,284 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 17:21:30,284 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 17:21:30,284 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 17:21:30,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2021-12-19 17:21:30,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:21:30,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:21:30,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:21:30,307 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:21:30,307 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-19 17:21:30,307 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 17:21:30,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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) [2021-12-19 17:21:30,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:21:30,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:21:30,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:21:30,309 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:21:30,309 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-19 17:21:30,313 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 10#L55-2true [2021-12-19 17:21:30,314 INFO L793 eck$LassoCheckResult]: Loop: 10#L55-2true assume !false; 5#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 12#L47-2true assume !true; 8#L55-1true assume !true; 10#L55-2true [2021-12-19 17:21:30,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-19 17:21:30,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663103960] [2021-12-19 17:21:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:30,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2021-12-19 17:21:30,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824424608] [2021-12-19 17:21:30,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,394 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:30,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343120191] [2021-12-19 17:21:30,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:30,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:30,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-19 17:21:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:21:30,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-19 17:21:30,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:21:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:21:30,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 17:21:30,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 17:21:30,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824424608] [2021-12-19 17:21:30,447 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 17:21:30,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343120191] [2021-12-19 17:21:30,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343120191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 17:21:30,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 17:21:30,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 17:21:30,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957826665] [2021-12-19 17:21:30,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 17:21:30,464 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 17:21:30,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 17:21:30,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-19 17:21:30,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-19 17:21:30,496 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:21:30,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 17:21:30,500 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-12-19 17:21:30,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-19 17:21:30,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-12-19 17:21:30,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:21:30,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2021-12-19 17:21:30,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-19 17:21:30,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-19 17:21:30,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-12-19 17:21:30,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:21:30,511 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-19 17:21:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-12-19 17:21:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-12-19 17:21:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:21:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-12-19 17:21:30,529 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-19 17:21:30,529 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-19 17:21:30,530 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 17:21:30,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-12-19 17:21:30,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-19 17:21:30,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:21:30,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:21:30,531 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:21:30,531 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-19 17:21:30,532 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 46#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 51#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 50#L55-2 [2021-12-19 17:21:30,532 INFO L793 eck$LassoCheckResult]: Loop: 50#L55-2 assume !false; 47#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 48#L47-2 assume !false; 49#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 43#L55-1 assume !false; 44#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 50#L55-2 [2021-12-19 17:21:30,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-12-19 17:21:30,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544246197] [2021-12-19 17:21:30,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,555 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,565 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:30,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2021-12-19 17:21:30,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865905908] [2021-12-19 17:21:30,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,573 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:30,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535822430] [2021-12-19 17:21:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:30,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:30,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:30,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-19 17:21:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 17:21:30,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 17:21:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:21:30,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 17:21:30,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 17:21:30,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 17:21:30,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865905908] [2021-12-19 17:21:30,688 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 17:21:30,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535822430] [2021-12-19 17:21:30,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535822430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 17:21:30,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 17:21:30,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 17:21:30,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944875664] [2021-12-19 17:21:30,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 17:21:30,689 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-19 17:21:30,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 17:21:30,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 17:21:30,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-19 17:21:30,690 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:21:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 17:21:30,789 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-12-19 17:21:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 17:21:30,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-12-19 17:21:30,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-12-19 17:21:30,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2021-12-19 17:21:30,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-19 17:21:30,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-12-19 17:21:30,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-12-19 17:21:30,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:21:30,791 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 17:21:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-12-19 17:21:30,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-19 17:21:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:21:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-12-19 17:21:30,792 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 17:21:30,792 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 17:21:30,792 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 17:21:30,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-12-19 17:21:30,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-12-19 17:21:30,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:21:30,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:21:30,793 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-19 17:21:30,793 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-12-19 17:21:30,793 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 [2021-12-19 17:21:30,794 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-12-19 17:21:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,794 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-12-19 17:21:30,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45768169] [2021-12-19 17:21:30,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,801 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,805 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:30,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 1 times [2021-12-19 17:21:30,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235339614] [2021-12-19 17:21:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,814 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:30,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343396126] [2021-12-19 17:21:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:30,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:30,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-19 17:21:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:30,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:30,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:21:30,959 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 1 times [2021-12-19 17:21:30,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:21:30,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909338360] [2021-12-19 17:21:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:21:30,964 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:21:30,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584819444] [2021-12-19 17:21:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:21:30,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:21:30,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:30,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:21:30,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-19 17:21:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:31,142 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:21:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:21:31,167 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:21:37,944 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:21:37,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:21:37,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:21:37,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:21:37,945 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 17:21:37,945 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:37,945 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:21:37,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:21:37,945 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-19 17:21:37,945 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:21:37,945 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:21:37,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:21:47,336 WARN L227 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 64 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:21:49,235 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:21:49,235 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 17:21:49,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:49,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:49,237 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) [2021-12-19 17:21:49,238 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 [2021-12-19 17:21:49,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 17:21:49,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:21:49,279 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 [2021-12-19 17:21:49,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:49,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:21:49,280 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) [2021-12-19 17:21:49,281 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 [2021-12-19 17:21:49,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 17:21:49,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:21:49,310 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 17:21:49,328 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 [2021-12-19 17:21:49,328 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:21:49,328 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:21:49,328 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:21:49,328 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:21:49,328 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:21:49,329 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:21:49,329 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:21:49,329 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:21:49,329 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-19 17:21:49,329 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:21:49,329 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:21:49,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:31,427 WARN L227 SmtUtils]: Spent 40.89s on a formula simplification. DAG size of input: 64 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:22:33,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:22:33,706 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:22:33,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:33,708 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) [2021-12-19 17:22:33,714 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 [2021-12-19 17:22:33,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:22:33,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:22:33,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:33,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:33,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:33,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:22:33,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:22:33,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:33,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:33,763 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 [2021-12-19 17:22:33,763 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-19 17:22:33,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:33,764 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) [2021-12-19 17:22:33,765 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 [2021-12-19 17:22:33,766 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 [2021-12-19 17:22:33,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:22:33,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:33,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:33,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:33,773 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:22:33,777 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:22:33,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:33,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:33,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-19 17:22:33,807 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-19 17:22:33,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:33,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:33,808 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) [2021-12-19 17:22:33,809 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 [2021-12-19 17:22:33,811 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 [2021-12-19 17:22:33,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:22:33,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:33,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:33,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:33,817 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:22:33,823 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:22:33,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:33,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:33,858 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 [2021-12-19 17:22:33,858 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-19 17:22:33,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:33,859 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) [2021-12-19 17:22:33,861 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 [2021-12-19 17:22:33,862 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 [2021-12-19 17:22:33,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:22:33,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:33,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:33,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:33,869 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:22:33,881 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:22:33,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:33,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:33,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-19 17:22:33,919 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-19 17:22:33,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:33,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:33,920 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) [2021-12-19 17:22:33,920 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 [2021-12-19 17:22:33,921 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 [2021-12-19 17:22:33,927 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:22:33,927 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:22:33,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:33,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:33,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:33,928 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:22:33,932 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:22:33,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:33,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:33,963 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 [2021-12-19 17:22:33,964 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-19 17:22:33,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:33,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:33,964 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) [2021-12-19 17:22:33,965 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 [2021-12-19 17:22:33,966 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 [2021-12-19 17:22:33,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:22:33,973 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:22:33,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:33,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:33,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:33,974 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:22:33,983 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:22:33,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:33,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:34,016 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 [2021-12-19 17:22:34,017 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-19 17:22:34,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:34,018 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) [2021-12-19 17:22:34,019 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 [2021-12-19 17:22:34,020 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 [2021-12-19 17:22:34,029 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:22:34,029 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:22:34,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:34,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:34,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:34,029 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:22:34,037 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:22:34,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:34,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:34,075 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 [2021-12-19 17:22:34,075 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-19 17:22:34,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:34,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:34,076 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) [2021-12-19 17:22:34,078 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 [2021-12-19 17:22:34,078 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 [2021-12-19 17:22:34,085 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:22:34,085 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:22:34,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:34,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:34,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:34,086 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:22:34,090 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:22:34,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:34,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:34,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-19 17:22:34,111 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-19 17:22:34,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:34,112 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) [2021-12-19 17:22:34,112 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 [2021-12-19 17:22:34,114 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 [2021-12-19 17:22:34,121 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:22:34,121 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:22:34,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:22:34,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:22:34,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:22:34,121 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:22:34,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:22:34,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:22:34,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:22:34,169 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 [2021-12-19 17:22:34,221 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:22:34,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:22:34,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:22:34,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:22:34,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 17:22:34,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:34,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:22:34,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:22:34,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-12-19 17:22:34,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:22:34,222 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:22:34,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:36,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:36,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:36,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:45,963 WARN L227 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 64 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:22:50,454 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:22:50,455 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 17:22:50,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:50,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:50,456 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) [2021-12-19 17:22:50,457 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 [2021-12-19 17:22:50,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 17:22:50,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:22:50,498 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 [2021-12-19 17:22:50,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:50,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:22:50,499 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) [2021-12-19 17:22:50,499 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 [2021-12-19 17:22:50,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 17:22:50,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:22:50,519 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 17:22:50,534 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 [2021-12-19 17:22:50,534 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:22:50,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:22:50,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:22:50,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:22:50,534 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:22:50,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:22:50,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:22:50,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:22:50,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-12-19 17:22:50,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:22:50,534 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:22:50,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:50,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:50,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:22:50,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:05,132 WARN L227 SmtUtils]: Spent 12.78s on a formula simplification. DAG size of input: 64 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:23:10,390 WARN L227 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:23:10,391 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:23:10,391 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:23:10,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,392 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) [2021-12-19 17:23:10,393 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 [2021-12-19 17:23:10,397 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 [2021-12-19 17:23:10,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:23:10,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:23:10,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-19 17:23:10,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,437 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) [2021-12-19 17:23:10,441 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 [2021-12-19 17:23:10,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:10,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:23:10,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:23:10,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,477 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 [2021-12-19 17:23:10,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,478 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) [2021-12-19 17:23:10,479 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 [2021-12-19 17:23:10,480 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 [2021-12-19 17:23:10,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:23:10,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:23:10,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,501 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 [2021-12-19 17:23:10,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,503 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) [2021-12-19 17:23:10,503 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 [2021-12-19 17:23:10,505 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 [2021-12-19 17:23:10,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:23:10,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:23:10,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 17:23:10,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,539 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-19 17:23:10,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,540 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) [2021-12-19 17:23:10,541 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 [2021-12-19 17:23:10,541 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 [2021-12-19 17:23:10,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,547 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:10,547 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:10,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,563 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) [2021-12-19 17:23:10,564 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 [2021-12-19 17:23:10,565 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 [2021-12-19 17:23:10,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,570 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:10,571 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:10,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,588 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) [2021-12-19 17:23:10,589 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 [2021-12-19 17:23:10,590 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 [2021-12-19 17:23:10,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,595 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:10,596 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:10,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-19 17:23:10,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,614 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) [2021-12-19 17:23:10,614 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 [2021-12-19 17:23:10,616 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 [2021-12-19 17:23:10,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,621 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:10,630 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-19 17:23:10,630 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-19 17:23:10,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,660 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-19 17:23:10,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,668 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) [2021-12-19 17:23:10,669 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 [2021-12-19 17:23:10,673 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 [2021-12-19 17:23:10,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,679 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:10,679 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:10,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,701 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 [2021-12-19 17:23:10,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,702 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) [2021-12-19 17:23:10,709 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 [2021-12-19 17:23:10,710 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 [2021-12-19 17:23:10,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,715 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:10,715 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:10,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,734 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) [2021-12-19 17:23:10,735 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 [2021-12-19 17:23:10,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:10,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,742 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:10,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:10,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,768 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 [2021-12-19 17:23:10,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,775 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) [2021-12-19 17:23:10,776 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 [2021-12-19 17:23:10,778 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 [2021-12-19 17:23:10,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,784 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:10,797 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 17:23:10,797 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 17:23:10,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,834 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 [2021-12-19 17:23:10,834 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-19 17:23:10,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,835 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) [2021-12-19 17:23:10,835 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 [2021-12-19 17:23:10,837 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 [2021-12-19 17:23:10,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,842 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:10,843 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:10,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,859 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 [2021-12-19 17:23:10,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,862 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) [2021-12-19 17:23:10,863 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 [2021-12-19 17:23:10,864 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 [2021-12-19 17:23:10,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,869 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:10,869 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:10,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,886 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) [2021-12-19 17:23:10,886 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 [2021-12-19 17:23:10,888 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 [2021-12-19 17:23:10,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,893 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:10,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:10,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,913 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 [2021-12-19 17:23:10,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,914 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) [2021-12-19 17:23:10,915 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 [2021-12-19 17:23:10,916 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 [2021-12-19 17:23:10,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:10,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,923 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:10,939 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-19 17:23:10,939 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-19 17:23:10,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:10,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:10,972 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-19 17:23:10,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:10,973 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) [2021-12-19 17:23:10,973 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 [2021-12-19 17:23:10,975 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 [2021-12-19 17:23:10,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:10,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:10,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:10,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:10,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:10,981 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:10,982 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:10,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:10,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,003 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 [2021-12-19 17:23:11,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,004 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) [2021-12-19 17:23:11,005 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 [2021-12-19 17:23:11,010 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 [2021-12-19 17:23:11,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,016 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,016 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:11,017 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:11,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,033 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 [2021-12-19 17:23:11,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,034 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) [2021-12-19 17:23:11,035 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 [2021-12-19 17:23:11,037 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 [2021-12-19 17:23:11,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,043 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,043 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:11,043 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:11,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,070 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 [2021-12-19 17:23:11,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,071 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) [2021-12-19 17:23:11,071 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 [2021-12-19 17:23:11,072 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 [2021-12-19 17:23:11,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,078 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,078 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:11,090 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-19 17:23:11,090 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-19 17:23:11,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,132 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 [2021-12-19 17:23:11,133 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-19 17:23:11,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,134 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) [2021-12-19 17:23:11,135 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 [2021-12-19 17:23:11,136 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 [2021-12-19 17:23:11,141 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,141 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:23:11,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,141 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,142 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:11,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,176 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 [2021-12-19 17:23:11,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,177 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) [2021-12-19 17:23:11,180 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 [2021-12-19 17:23:11,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,186 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:23:11,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,186 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,187 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:11,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,189 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 [2021-12-19 17:23:11,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,209 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 [2021-12-19 17:23:11,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,210 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) [2021-12-19 17:23:11,210 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 [2021-12-19 17:23:11,212 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 [2021-12-19 17:23:11,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,218 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:23:11,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,218 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:11,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,240 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 [2021-12-19 17:23:11,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,241 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-12-19 17:23:11,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-19 17:23:11,243 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 [2021-12-19 17:23:11,248 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,248 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:23:11,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,268 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 17:23:11,268 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 17:23:11,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-19 17:23:11,302 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-19 17:23:11,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,303 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2021-12-19 17:23:11,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-19 17:23:11,305 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 [2021-12-19 17:23:11,310 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,310 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,311 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:11,311 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:11,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-19 17:23:11,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,332 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2021-12-19 17:23:11,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-19 17:23:11,334 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 [2021-12-19 17:23:11,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,340 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:11,340 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:11,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,374 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2021-12-19 17:23:11,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-19 17:23:11,376 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 [2021-12-19 17:23:11,381 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,382 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,382 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:11,383 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:11,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,420 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2021-12-19 17:23:11,423 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 [2021-12-19 17:23:11,429 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,430 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,430 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:11,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-19 17:23:11,446 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-12-19 17:23:11,446 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-12-19 17:23:11,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,492 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-19 17:23:11,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,493 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2021-12-19 17:23:11,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-19 17:23:11,495 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 [2021-12-19 17:23:11,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,501 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,501 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,501 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:11,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,517 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2021-12-19 17:23:11,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-19 17:23:11,519 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 [2021-12-19 17:23:11,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,524 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,524 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,525 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:11,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-19 17:23:11,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,541 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2021-12-19 17:23:11,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-19 17:23:11,543 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 [2021-12-19 17:23:11,548 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,548 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,548 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,548 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:11,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-19 17:23:11,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,565 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2021-12-19 17:23:11,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-19 17:23:11,567 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 [2021-12-19 17:23:11,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,572 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:11,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,572 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:11,586 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-19 17:23:11,586 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 17:23:11,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,633 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-19 17:23:11,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,635 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2021-12-19 17:23:11,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-19 17:23:11,637 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 [2021-12-19 17:23:11,642 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,642 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,642 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:23:11,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:23:11,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,675 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2021-12-19 17:23:11,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-19 17:23:11,677 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 [2021-12-19 17:23:11,682 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,682 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,682 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:23:11,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:23:11,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,711 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2021-12-19 17:23:11,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-19 17:23:11,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:11,719 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,719 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:11,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,719 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:23:11,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:23:11,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:11,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:11,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,751 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2021-12-19 17:23:11,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-19 17:23:11,753 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 [2021-12-19 17:23:11,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:11,760 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:11,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:11,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:11,760 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:23:11,776 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-12-19 17:23:11,777 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-12-19 17:23:11,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:11,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:11,815 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-12-19 17:23:11,816 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-12-19 17:23:11,816 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-12-19 17:23:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:23:11,816 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 2 times [2021-12-19 17:23:11,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:23:11,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50511346] [2021-12-19 17:23:11,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:11,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:23:11,820 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:23:11,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103699411] [2021-12-19 17:23:11,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-19 17:23:11,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:23:11,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:11,825 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:23:11,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-12-19 17:23:12,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-19 17:23:12,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-19 17:23:12,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:23:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:23:12,284 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:23:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:23:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 2 times [2021-12-19 17:23:12,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:23:12,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994074221] [2021-12-19 17:23:12,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:12,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:23:12,286 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:23:12,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855646429] [2021-12-19 17:23:12,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-19 17:23:12,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:23:12,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:12,287 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:23:12,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-12-19 17:23:12,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-19 17:23:12,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-19 17:23:12,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:23:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:23:12,482 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:23:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:23:12,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1338088892, now seen corresponding path program 3 times [2021-12-19 17:23:12,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:23:12,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11004641] [2021-12-19 17:23:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:12,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:23:12,486 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:23:12,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [820350329] [2021-12-19 17:23:12,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-19 17:23:12,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:23:12,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:12,492 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:23:12,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-12-19 17:23:12,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-19 17:23:12,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-19 17:23:12,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 17:23:12,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 17:23:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-19 17:23:12,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 17:23:12,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 17:23:12,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11004641] [2021-12-19 17:23:12,644 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 17:23:12,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820350329] [2021-12-19 17:23:12,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820350329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 17:23:12,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 17:23:12,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 17:23:12,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181993532] [2021-12-19 17:23:12,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 17:23:24,460 WARN L227 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-19 17:23:24,461 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:23:24,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:23:24,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:23:24,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:23:24,462 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-19 17:23:24,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:24,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:23:24,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:23:24,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-19 17:23:24,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:23:24,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:23:24,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:34,557 WARN L227 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:23:39,913 WARN L227 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:23:39,914 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:23:39,914 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-19 17:23:39,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:39,915 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-12-19 17:23:39,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-19 17:23:39,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-19 17:23:39,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:23:39,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-19 17:23:39,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:39,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:39,951 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-12-19 17:23:39,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-19 17:23:39,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-19 17:23:39,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-19 17:23:39,964 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-19 17:23:39,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:39,979 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 17:23:39,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 17:23:39,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 17:23:39,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 17:23:39,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 17:23:39,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:39,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 17:23:39,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 17:23:39,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-12-19 17:23:39,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 17:23:39,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 17:23:39,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 17:23:51,252 WARN L227 SmtUtils]: Spent 9.45s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 17:23:54,152 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 17:23:54,152 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 17:23:54,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,154 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-12-19 17:23:54,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-19 17:23:54,158 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 [2021-12-19 17:23:54,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:54,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 17:23:54,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 17:23:54,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:54,183 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-19 17:23:54,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,184 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-12-19 17:23:54,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-19 17:23:54,187 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 [2021-12-19 17:23:54,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:54,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,201 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:54,212 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:54,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-19 17:23:54,240 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-19 17:23:54,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,241 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-12-19 17:23:54,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-19 17:23:54,243 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 [2021-12-19 17:23:54,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:54,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:54,252 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:54,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-19 17:23:54,270 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-19 17:23:54,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,271 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-12-19 17:23:54,275 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 [2021-12-19 17:23:54,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-19 17:23:54,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 17:23:54,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,282 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:54,286 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:54,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-19 17:23:54,314 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-19 17:23:54,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,315 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-12-19 17:23:54,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-19 17:23:54,318 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 [2021-12-19 17:23:54,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:54,324 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:54,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,324 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-19 17:23:54,326 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-19 17:23:54,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-19 17:23:54,354 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-19 17:23:54,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,355 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-12-19 17:23:54,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-19 17:23:54,357 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 [2021-12-19 17:23:54,363 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:54,364 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-19 17:23:54,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,364 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:54,367 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:54,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-19 17:23:54,394 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-19 17:23:54,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,395 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-12-19 17:23:54,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-19 17:23:54,400 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 [2021-12-19 17:23:54,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:54,407 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:54,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,407 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-19 17:23:54,410 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-19 17:23:54,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-19 17:23:54,454 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-19 17:23:54,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,454 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-12-19 17:23:54,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-19 17:23:54,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 17:23:54,470 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:54,470 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-19 17:23:54,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,470 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-19 17:23:54,473 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-19 17:23:54,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:54,507 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-19 17:23:54,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 17:23:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:54,508 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-12-19 17:23:54,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-19 17:23:54,510 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 [2021-12-19 17:23:54,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-19 17:23:54,517 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-19 17:23:54,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 17:23:54,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 17:23:54,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 17:23:54,517 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-19 17:23:54,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 17:23:54,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 17:23:54,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 17:23:54,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-19 17:23:54,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 17:23:54,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 17:23:54,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 17:23:54,553 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 17:23:55,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 17:23:55,605 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-12-19 17:23:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 17:23:55,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-12-19 17:23:55,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-19 17:23:55,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 20 transitions. [2021-12-19 17:23:55,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-12-19 17:23:55,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-19 17:23:55,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-12-19 17:23:55,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 17:23:55,608 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 17:23:55,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-12-19 17:23:55,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-19 17:23:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2021-12-19 17:23:55,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-12-19 17:23:55,609 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 17:23:55,609 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-12-19 17:23:55,609 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 17:23:55,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-12-19 17:23:55,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-19 17:23:55,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 17:23:55,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 17:23:55,610 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 17:23:55,610 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 17:23:55,610 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-12-19 17:23:55,610 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-12-19 17:23:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:23:55,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1807031086, now seen corresponding path program 1 times [2021-12-19 17:23:55,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:23:55,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111503437] [2021-12-19 17:23:55,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:55,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:23:55,614 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:23:55,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760618588] [2021-12-19 17:23:55,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:55,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:23:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:55,619 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:23:55,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-12-19 17:23:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:23:55,654 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:23:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:23:55,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:23:55,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:23:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-12-19 17:23:55,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:23:55,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821263489] [2021-12-19 17:23:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:55,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:23:55,664 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:23:55,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319717445] [2021-12-19 17:23:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:55,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:23:55,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:55,680 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:23:55,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-12-19 17:23:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:23:55,696 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 17:23:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 17:23:55,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 17:23:55,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 17:23:55,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 2 times [2021-12-19 17:23:55,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 17:23:55,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557290832] [2021-12-19 17:23:55,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 17:23:55,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 17:23:55,705 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 17:23:55,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117129531] [2021-12-19 17:23:55,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-19 17:23:55,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 17:23:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 17:23:55,707 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 17:23:55,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process Killed by 15