./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 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-memory-alloca/diff-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c73140129db08253eb2666e014a272764010e16 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:21:15,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:21:15,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:21:15,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:21:15,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:21:15,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:21:15,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:21:15,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:21:15,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:21:15,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:21:15,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:21:15,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:21:15,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:21:15,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:21:15,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:21:15,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:21:15,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:21:15,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:21:15,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:21:15,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:21:15,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:21:15,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:21:15,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:21:15,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:21:15,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:21:15,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:21:15,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:21:15,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:21:15,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:21:15,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:21:15,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:21:15,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:21:15,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:21:15,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:21:15,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:21:15,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:21:15,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:21:15,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:21:15,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:21:15,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:21:15,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:21:15,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:21:15,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:21:15,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:21:15,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:21:15,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:21:15,243 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:21:15,243 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:21:15,243 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:21:15,244 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:21:15,244 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:21:15,244 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:21:15,245 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:21:15,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:21:15,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:21:15,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:21:15,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:21:15,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:21:15,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:21:15,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:21:15,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:21:15,248 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:21:15,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:21:15,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:21:15,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:21:15,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:21:15,249 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:21:15,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:21:15,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:21:15,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:21:15,250 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:21:15,252 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:21:15,252 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c73140129db08253eb2666e014a272764010e16 [2020-10-26 04:21:15,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:21:15,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:21:15,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:21:15,771 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:21:15,772 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:21:15,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2020-10-26 04:21:15,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793d74a15/a7fbeeca3b2a4fa3894e7bd99ebc315e/FLAG884494b1c [2020-10-26 04:21:16,524 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:21:16,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2020-10-26 04:21:16,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793d74a15/a7fbeeca3b2a4fa3894e7bd99ebc315e/FLAG884494b1c [2020-10-26 04:21:16,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793d74a15/a7fbeeca3b2a4fa3894e7bd99ebc315e [2020-10-26 04:21:16,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:21:16,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:21:16,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:21:16,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:21:16,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:21:16,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:21:16" (1/1) ... [2020-10-26 04:21:16,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2b87d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:16, skipping insertion in model container [2020-10-26 04:21:16,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:21:16" (1/1) ... [2020-10-26 04:21:16,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:21:16,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:21:17,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:21:17,474 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:21:17,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:21:17,581 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:21:17,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17 WrapperNode [2020-10-26 04:21:17,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:21:17,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:21:17,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:21:17,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:21:17,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:21:17,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:21:17,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:21:17,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:21:17,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... [2020-10-26 04:21:17,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:21:17,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:21:17,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:21:17,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:21:17,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 04:21:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 04:21:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 04:21:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 04:21:17,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:21:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:21:18,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:21:18,158 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-26 04:21:18,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:21:18 BoogieIcfgContainer [2020-10-26 04:21:18,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:21:18,162 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:21:18,162 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:21:18,166 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:21:18,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:21:18,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:21:16" (1/3) ... [2020-10-26 04:21:18,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33d96b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:21:18, skipping insertion in model container [2020-10-26 04:21:18,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:21:18,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:21:17" (2/3) ... [2020-10-26 04:21:18,171 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33d96b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:21:18, skipping insertion in model container [2020-10-26 04:21:18,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:21:18,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:21:18" (3/3) ... [2020-10-26 04:21:18,173 INFO L373 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2020-10-26 04:21:18,232 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:21:18,233 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:21:18,233 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:21:18,233 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:21:18,233 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:21:18,234 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:21:18,234 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:21:18,234 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:21:18,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-26 04:21:18,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:21:18,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:18,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:18,282 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:21:18,282 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:18,282 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:21:18,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-26 04:21:18,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:21:18,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:18,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:18,286 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:21:18,286 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:18,295 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 9#L574true assume !(main_~Alen~0 < 1); 14#L574-2true assume !(main_~Blen~0 < 1); 7#L577-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 12#L554-2true [2020-10-26 04:21:18,296 INFO L796 eck$LassoCheckResult]: Loop: 12#L554-2true assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 5#L558-2true assume !true; 6#L557-2true assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 11#L564-1true diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 12#L554-2true [2020-10-26 04:21:18,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:18,303 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-10-26 04:21:18,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:18,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153919068] [2020-10-26 04:21:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:18,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:18,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:18,492 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:18,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:18,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2020-10-26 04:21:18,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:18,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452440368] [2020-10-26 04:21:18,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:18,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452440368] [2020-10-26 04:21:18,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:21:18,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:21:18,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705522973] [2020-10-26 04:21:18,545 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 04:21:18,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:21:18,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-26 04:21:18,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 04:21:18,568 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2020-10-26 04:21:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:21:18,576 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2020-10-26 04:21:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 04:21:18,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2020-10-26 04:21:18,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:21:18,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2020-10-26 04:21:18,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-26 04:21:18,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-26 04:21:18,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2020-10-26 04:21:18,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:21:18,588 INFO L691 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2020-10-26 04:21:18,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2020-10-26 04:21:18,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-26 04:21:18,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-26 04:21:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2020-10-26 04:21:18,620 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2020-10-26 04:21:18,620 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2020-10-26 04:21:18,621 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:21:18,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2020-10-26 04:21:18,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-26 04:21:18,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:18,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:18,623 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:21:18,623 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-26 04:21:18,623 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 37#L574 assume !(main_~Alen~0 < 1); 38#L574-2 assume !(main_~Blen~0 < 1); 44#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 42#L554-2 [2020-10-26 04:21:18,623 INFO L796 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 40#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 45#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 41#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 42#L554-2 [2020-10-26 04:21:18,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:18,625 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2020-10-26 04:21:18,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:18,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14181346] [2020-10-26 04:21:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:18,643 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:18,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:18,671 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:18,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:18,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2020-10-26 04:21:18,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:18,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601386491] [2020-10-26 04:21:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:18,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:18,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:18,736 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:18,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:18,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2020-10-26 04:21:18,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:18,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793495584] [2020-10-26 04:21:18,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:18,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793495584] [2020-10-26 04:21:18,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:21:18,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 04:21:18,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465487496] [2020-10-26 04:21:19,032 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-10-26 04:21:19,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:21:19,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 04:21:19,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:21:19,115 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand 5 states. [2020-10-26 04:21:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:21:19,233 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2020-10-26 04:21:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:21:19,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2020-10-26 04:21:19,236 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-26 04:21:19,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2020-10-26 04:21:19,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-10-26 04:21:19,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-10-26 04:21:19,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2020-10-26 04:21:19,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:21:19,240 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2020-10-26 04:21:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2020-10-26 04:21:19,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-10-26 04:21:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-26 04:21:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2020-10-26 04:21:19,244 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2020-10-26 04:21:19,244 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2020-10-26 04:21:19,245 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:21:19,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2020-10-26 04:21:19,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-26 04:21:19,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:19,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:19,247 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:21:19,247 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:21:19,247 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 72#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 73#L574 assume !(main_~Alen~0 < 1); 76#L574-2 assume !(main_~Blen~0 < 1); 81#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 78#L554-2 [2020-10-26 04:21:19,248 INFO L796 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 80#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 74#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 75#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 82#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 77#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 78#L554-2 [2020-10-26 04:21:19,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:19,248 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2020-10-26 04:21:19,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:19,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104906140] [2020-10-26 04:21:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,278 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,284 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:19,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:19,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2020-10-26 04:21:19,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:19,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618359597] [2020-10-26 04:21:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:19,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618359597] [2020-10-26 04:21:19,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:21:19,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-26 04:21:19,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396956618] [2020-10-26 04:21:19,379 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 04:21:19,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:21:19,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:21:19,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:21:19,384 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-10-26 04:21:19,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:21:19,466 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2020-10-26 04:21:19,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 04:21:19,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2020-10-26 04:21:19,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-10-26 04:21:19,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2020-10-26 04:21:19,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2020-10-26 04:21:19,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-26 04:21:19,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2020-10-26 04:21:19,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:21:19,471 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-26 04:21:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2020-10-26 04:21:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2020-10-26 04:21:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-26 04:21:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2020-10-26 04:21:19,473 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2020-10-26 04:21:19,473 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2020-10-26 04:21:19,474 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:21:19,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2020-10-26 04:21:19,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2020-10-26 04:21:19,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:19,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:19,475 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-26 04:21:19,475 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:21:19,476 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 109#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 110#L574 assume !(main_~Alen~0 < 1); 114#L574-2 assume !(main_~Blen~0 < 1); 120#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 116#L554-2 [2020-10-26 04:21:19,476 INFO L796 eck$LassoCheckResult]: Loop: 116#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 118#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 111#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 112#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 119#L557-2 assume !(0 == diff_~found~0); 115#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 116#L554-2 [2020-10-26 04:21:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:19,477 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2020-10-26 04:21:19,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:19,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012443290] [2020-10-26 04:21:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,507 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:19,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:19,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2020-10-26 04:21:19,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:19,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040305084] [2020-10-26 04:21:19,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,544 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:19,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:19,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2020-10-26 04:21:19,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:19,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837973158] [2020-10-26 04:21:19,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:19,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:19,690 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:19,884 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-26 04:21:20,571 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-26 04:21:20,816 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-26 04:21:20,831 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:21:20,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:21:20,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:21:20,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:21:20,832 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:21:20,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:20,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:21:20,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:21:20,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2020-10-26 04:21:20,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:21:20,833 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:21:20,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:20,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,469 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-10-26 04:21:21,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:21,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:22,407 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:21:22,413 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:22,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:22,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:22,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:22,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:22,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:22,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:22,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:22,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:22,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:22,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:22,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:22,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:22,693 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:22,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:22,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:22,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:22,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:22,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:22,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:22,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:22,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:22,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:22,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:22,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:22,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:22,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:22,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:22,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:22,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:22,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:22,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:22,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:22,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:23,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:23,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:23,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:23,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:23,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:23,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:23,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:23,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:23,149 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:23,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:23,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:23,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:23,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:23,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:23,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:23,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:23,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:23,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:23,328 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:23,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:23,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:23,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:23,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:23,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:23,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:23,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:21:23,457 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-26 04:21:23,457 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:23,465 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:23,509 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:21:23,510 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:21:23,511 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~i~0, ULTIMATE.start_diff_~l1~0) = -1*ULTIMATE.start_diff_~i~0 + 1*ULTIMATE.start_diff_~l1~0 Supporting invariants [] [2020-10-26 04:21:23,697 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2020-10-26 04:21:23,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:23,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:23,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:23,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:21:23,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 04:21:23,896 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:21:23,897 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-10-26 04:21:23,967 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 21 states and 30 transitions. Complement of second has 4 states. [2020-10-26 04:21:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 04:21:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:21:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2020-10-26 04:21:23,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 6 letters. [2020-10-26 04:21:23,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:23,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2020-10-26 04:21:23,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:23,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 12 letters. [2020-10-26 04:21:23,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:23,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2020-10-26 04:21:23,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:21:23,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2020-10-26 04:21:23,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-26 04:21:23,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-26 04:21:23,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2020-10-26 04:21:23,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:21:23,983 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2020-10-26 04:21:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2020-10-26 04:21:23,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2020-10-26 04:21:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-26 04:21:23,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2020-10-26 04:21:23,994 INFO L714 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2020-10-26 04:21:23,994 INFO L594 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2020-10-26 04:21:23,994 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 04:21:23,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2020-10-26 04:21:23,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:21:23,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:23,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:23,997 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-26 04:21:23,998 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:21:23,998 INFO L794 eck$LassoCheckResult]: Stem: 264#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 256#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 257#L574 assume !(main_~Alen~0 < 1); 258#L574-2 assume !(main_~Blen~0 < 1); 269#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 267#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 260#L558-2 [2020-10-26 04:21:23,998 INFO L796 eck$LassoCheckResult]: Loop: 260#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 259#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 260#L558-2 [2020-10-26 04:21:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:24,000 INFO L82 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2020-10-26 04:21:24,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:24,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104141372] [2020-10-26 04:21:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:24,031 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:24,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:24,057 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:24,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:24,061 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2020-10-26 04:21:24,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:24,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770719915] [2020-10-26 04:21:24,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:24,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:24,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:24,088 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:24,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:24,091 INFO L82 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2020-10-26 04:21:24,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:24,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988656740] [2020-10-26 04:21:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:24,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:24,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:24,177 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:25,137 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2020-10-26 04:21:25,513 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-26 04:21:25,518 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:21:25,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:21:25,519 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:21:25,519 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:21:25,519 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:21:25,519 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:25,519 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:21:25,519 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:21:25,519 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2020-10-26 04:21:25,519 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:21:25,520 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:21:25,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:25,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:26,163 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2020-10-26 04:21:26,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:26,522 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-26 04:21:27,003 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-26 04:21:27,142 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:21:27,142 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:27,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:27,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:27,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:27,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:27,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:27,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:27,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:27,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:27,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:27,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:27,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:27,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:27,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:21:27,827 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2020-10-26 04:21:27,827 INFO L444 ModelExtractionUtils]: 49 out of 73 variables were initially zero. Simplification set additionally 21 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:27,832 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 04:21:27,835 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:21:27,835 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:21:27,836 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~l2~0, ULTIMATE.start_diff_~j~0) = 1*ULTIMATE.start_diff_~l2~0 - 1*ULTIMATE.start_diff_~j~0 Supporting invariants [] [2020-10-26 04:21:27,922 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2020-10-26 04:21:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:27,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 04:21:27,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:27,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 04:21:27,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:28,011 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 04:21:28,011 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand 3 states. [2020-10-26 04:21:28,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 38 states and 53 transitions. Complement of second has 7 states. [2020-10-26 04:21:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:21:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:21:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-10-26 04:21:28,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-26 04:21:28,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:28,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2020-10-26 04:21:28,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:28,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-26 04:21:28,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:28,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2020-10-26 04:21:28,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:21:28,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2020-10-26 04:21:28,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-26 04:21:28,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-26 04:21:28,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2020-10-26 04:21:28,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:21:28,066 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2020-10-26 04:21:28,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2020-10-26 04:21:28,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2020-10-26 04:21:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-26 04:21:28,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2020-10-26 04:21:28,069 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2020-10-26 04:21:28,070 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2020-10-26 04:21:28,070 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-26 04:21:28,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2020-10-26 04:21:28,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:21:28,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:28,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:28,072 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:21:28,072 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:21:28,072 INFO L794 eck$LassoCheckResult]: Stem: 427#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 418#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 419#L574 assume !(main_~Alen~0 < 1); 424#L574-2 assume !(main_~Blen~0 < 1); 432#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 428#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 429#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 436#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 437#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 434#L557-2 assume !(0 == diff_~found~0); 425#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 426#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 421#L558-2 [2020-10-26 04:21:28,072 INFO L796 eck$LassoCheckResult]: Loop: 421#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 420#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 421#L558-2 [2020-10-26 04:21:28,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:28,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1811575378, now seen corresponding path program 1 times [2020-10-26 04:21:28,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:28,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978202169] [2020-10-26 04:21:28,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 04:21:28,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978202169] [2020-10-26 04:21:28,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:21:28,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:21:28,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229344156] [2020-10-26 04:21:28,134 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:21:28,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:28,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2020-10-26 04:21:28,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:28,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816111894] [2020-10-26 04:21:28,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,155 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:28,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:21:28,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:21:28,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:21:28,240 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 3 states. [2020-10-26 04:21:28,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:21:28,273 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2020-10-26 04:21:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:21:28,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 31 transitions. [2020-10-26 04:21:28,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:21:28,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 31 transitions. [2020-10-26 04:21:28,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-26 04:21:28,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-26 04:21:28,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2020-10-26 04:21:28,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-26 04:21:28,275 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2020-10-26 04:21:28,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2020-10-26 04:21:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-10-26 04:21:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-26 04:21:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2020-10-26 04:21:28,278 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2020-10-26 04:21:28,278 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2020-10-26 04:21:28,278 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-26 04:21:28,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 28 transitions. [2020-10-26 04:21:28,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-26 04:21:28,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:21:28,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:21:28,280 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:21:28,280 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-26 04:21:28,280 INFO L794 eck$LassoCheckResult]: Stem: 475#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 466#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 467#L574 assume !(main_~Alen~0 < 1); 472#L574-2 assume !(main_~Blen~0 < 1); 480#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 476#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 477#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 485#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 483#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 481#L557-2 assume !(0 == diff_~found~0); 473#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 474#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 469#L558-2 [2020-10-26 04:21:28,280 INFO L796 eck$LassoCheckResult]: Loop: 469#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 468#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 469#L558-2 [2020-10-26 04:21:28,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:28,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2020-10-26 04:21:28,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:28,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018659722] [2020-10-26 04:21:28,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,312 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:28,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:28,313 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 3 times [2020-10-26 04:21:28,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:28,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598343005] [2020-10-26 04:21:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,323 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:28,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2020-10-26 04:21:28,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:21:28,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746011682] [2020-10-26 04:21:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:21:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,338 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:21:28,351 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:21:28,357 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:21:29,250 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 132 [2020-10-26 04:21:29,543 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-26 04:21:29,545 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:21:29,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:21:29,545 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:21:29,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:21:29,546 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:21:29,546 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:29,546 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:21:29,546 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:21:29,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration7_Lasso [2020-10-26 04:21:29,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:21:29,546 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:21:29,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:29,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:29,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,187 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2020-10-26 04:21:30,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:21:30,663 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-26 04:21:31,151 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-26 04:21:31,270 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:21:31,270 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:21:31,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:21:31,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:21:31,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:31,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,365 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 04:21:31,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,375 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-26 04:21:31,375 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-26 04:21:31,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:31,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:31,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:31,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:31,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:31,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:31,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 04:21:31,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:21:31,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:21:31,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:21:31,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:21:31,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:21:31,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:21:31,666 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:21:31,727 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-10-26 04:21:31,727 INFO L444 ModelExtractionUtils]: 23 out of 73 variables were initially zero. Simplification set additionally 46 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:21:31,731 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:21:31,736 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-26 04:21:31,736 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:21:31,736 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_diff_~B.base)_3, ULTIMATE.start_diff_~j~0, ULTIMATE.start_diff_~A.offset) = 1*v_rep(select #length ULTIMATE.start_diff_~B.base)_3 - 4*ULTIMATE.start_diff_~j~0 - 1*ULTIMATE.start_diff_~A.offset Supporting invariants [] [2020-10-26 04:21:31,825 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2020-10-26 04:21:31,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-26 04:21:31,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:31,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-26 04:21:31,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:31,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:21:31,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:31,988 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:21:31,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-26 04:21:32,072 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 36 states and 48 transitions. Complement of second has 8 states. [2020-10-26 04:21:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:21:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:21:32,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-26 04:21:32,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:21:32,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:32,075 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:21:32,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:32,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-26 04:21:32,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:32,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:21:32,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:32,209 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:21:32,209 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-26 04:21:32,283 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 36 states and 48 transitions. Complement of second has 8 states. [2020-10-26 04:21:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:21:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:21:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-26 04:21:32,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:21:32,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:32,287 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-26 04:21:32,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:21:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:32,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-26 04:21:32,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:21:32,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 04:21:32,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:21:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:21:32,406 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-10-26 04:21:32,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-26 04:21:32,476 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 28 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 34 states and 49 transitions. Complement of second has 7 states. [2020-10-26 04:21:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-26 04:21:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-26 04:21:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-10-26 04:21:32,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:21:32,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:32,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 14 letters. Loop has 2 letters. [2020-10-26 04:21:32,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:32,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 12 letters. Loop has 4 letters. [2020-10-26 04:21:32,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:21:32,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 49 transitions. [2020-10-26 04:21:32,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:21:32,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2020-10-26 04:21:32,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:21:32,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:21:32,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:21:32,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:21:32,484 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:21:32,484 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:21:32,484 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:21:32,484 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-26 04:21:32,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:21:32,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:21:32,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:21:32,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:21:32 BoogieIcfgContainer [2020-10-26 04:21:32,491 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:21:32,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:21:32,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:21:32,492 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:21:32,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:21:18" (3/4) ... [2020-10-26 04:21:32,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:21:32,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:21:32,498 INFO L168 Benchmark]: Toolchain (without parser) took 15674.36 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 28.7 MB in the beginning and 70.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,498 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 26.4 MB in the beginning and 26.3 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:21:32,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.95 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 34.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.87 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 32.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,500 INFO L168 Benchmark]: Boogie Preprocessor took 31.79 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 30.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,500 INFO L168 Benchmark]: RCFGBuilder took 489.49 ms. Allocated memory is still 52.4 MB. Free memory was 30.9 MB in the beginning and 28.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,501 INFO L168 Benchmark]: BuchiAutomizer took 14328.99 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 28.4 MB in the beginning and 71.8 MB in the end (delta: -43.5 MB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,501 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 161.5 MB. Free memory was 71.8 MB in the beginning and 70.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:21:32,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 26.4 MB in the beginning and 26.3 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 752.95 ms. Allocated memory is still 52.4 MB. Free memory was 28.0 MB in the beginning and 34.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.87 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 32.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.79 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 30.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 489.49 ms. Allocated memory is still 52.4 MB. Free memory was 30.9 MB in the beginning and 28.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14328.99 ms. Allocated memory was 52.4 MB in the beginning and 161.5 MB in the end (delta: 109.1 MB). Free memory was 28.4 MB in the beginning and 71.8 MB in the end (delta: -43.5 MB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 161.5 MB. Free memory was 71.8 MB in the beginning and 70.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i + l1 and consists of 3 locations. One deterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[B] + -4 * j + -1 * A and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.2s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 12.7s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 121 SDtfs, 125 SDslu, 72 SDs, 0 SdLazy, 82 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital264 mio100 ax106 hnf99 lsp84 ukn88 mio100 lsp52 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...