./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/c.07-alloca.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 b6b0b5eb73c85bd27f01305782cc76399fba05e9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:39:22,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:39:22,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:39:22,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:39:22,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:39:22,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:39:22,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:39:22,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:39:22,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:39:22,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:39:22,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:39:22,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:39:22,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:39:22,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:39:22,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:39:22,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:39:22,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:39:22,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:39:22,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:39:22,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:39:22,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:39:22,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:39:22,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:39:22,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:39:22,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:39:22,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:39:22,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:39:22,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:39:22,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:39:22,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:39:22,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:39:22,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:39:22,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:39:22,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:39:22,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:39:22,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:39:22,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:39:22,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:39:22,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:39:22,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:39:22,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:39:22,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:39:22,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:39:22,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:39:22,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:39:22,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:39:22,358 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:39:22,359 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:39:22,359 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:39:22,359 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:39:22,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:39:22,360 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:39:22,360 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:39:22,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:39:22,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:39:22,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:39:22,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:39:22,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:39:22,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:39:22,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:39:22,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:39:22,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:39:22,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:39:22,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:39:22,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:39:22,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:39:22,363 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:39:22,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:39:22,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:39:22,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:39:22,364 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:39:22,365 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:39:22,366 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> b6b0b5eb73c85bd27f01305782cc76399fba05e9 [2020-10-20 06:39:22,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:39:22,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:39:22,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:39:22,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:39:22,615 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:39:22,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2020-10-20 06:39:22,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fba1427/d2592b98f5e24b6bbee01eeee03bc674/FLAG260b101b6 [2020-10-20 06:39:23,309 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:39:23,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2020-10-20 06:39:23,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fba1427/d2592b98f5e24b6bbee01eeee03bc674/FLAG260b101b6 [2020-10-20 06:39:23,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3fba1427/d2592b98f5e24b6bbee01eeee03bc674 [2020-10-20 06:39:23,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:39:23,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:39:23,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:39:23,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:39:23,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:39:23,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31327ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23, skipping insertion in model container [2020-10-20 06:39:23,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:39:23,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:39:24,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:39:24,017 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:39:24,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:39:24,166 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:39:24,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24 WrapperNode [2020-10-20 06:39:24,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:39:24,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:39:24,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:39:24,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:39:24,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:39:24,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:39:24,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:39:24,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:39:24,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (1/1) ... [2020-10-20 06:39:24,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:39:24,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:39:24,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:39:24,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:39:24,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (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 [2020-10-20 06:39:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:39:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:39:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:39:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:39:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:39:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:39:24,695 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:39:24,696 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:39:24,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:24 BoogieIcfgContainer [2020-10-20 06:39:24,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:39:24,699 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:39:24,699 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:39:24,702 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:39:24,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:24,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:39:23" (1/3) ... [2020-10-20 06:39:24,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6320fd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:39:24, skipping insertion in model container [2020-10-20 06:39:24,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:24,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:24" (2/3) ... [2020-10-20 06:39:24,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6320fd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:39:24, skipping insertion in model container [2020-10-20 06:39:24,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:24,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:24" (3/3) ... [2020-10-20 06:39:24,707 INFO L373 chiAutomizerObserver]: Analyzing ICFG c.07-alloca.i [2020-10-20 06:39:24,750 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:39:24,750 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:39:24,750 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:39:24,750 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:39:24,751 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:39:24,752 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:39:24,752 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:39:24,752 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:39:24,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-20 06:39:24,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:39:24,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:24,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:24,789 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:39:24,789 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:39:24,789 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:39:24,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-10-20 06:39:24,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:39:24,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:24,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:24,791 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:39:24,792 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:39:24,798 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~i, test_fun_#in~j, test_fun_#in~k, test_fun_#in~tmp := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~i, test_fun_~j, test_fun_~k, test_fun_~tmp, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;test_fun_~k := test_fun_#in~k;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_~k, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 8#L559-8true [2020-10-20 06:39:24,799 INFO L796 eck$LassoCheckResult]: Loop: 8#L559-8true call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 5#L559-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 <= test_fun_~k; 9#L559-3true test_fun_#t~short11 := test_fun_#t~short9; 12#L559-4true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 > -2147483648; 4#L559-6true assume !!test_fun_#t~short11;havoc test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem10;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem12 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem12, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_#t~mem13, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem13;call test_fun_#t~mem14 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem14, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem14;call test_fun_#t~mem15 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_#t~mem15 - 1, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);havoc test_fun_#t~mem15; 8#L559-8true [2020-10-20 06:39:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:24,804 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:39:24,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:24,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846458266] [2020-10-20 06:39:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:24,995 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:25,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:25,090 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:25,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:25,092 INFO L82 PathProgramCache]: Analyzing trace with hash 35405714, now seen corresponding path program 1 times [2020-10-20 06:39:25,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:25,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439714129] [2020-10-20 06:39:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:25,125 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:25,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:25,173 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:25,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:25,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1806845200, now seen corresponding path program 1 times [2020-10-20 06:39:25,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:25,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214196595] [2020-10-20 06:39:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:25,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:25,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:25,344 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:25,786 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 84 [2020-10-20 06:39:25,996 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-10-20 06:39:27,320 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 157 DAG size of output: 120 [2020-10-20 06:39:27,693 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-20 06:39:27,711 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:27,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:27,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:27,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:27,712 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:27,712 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:27,712 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:27,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:27,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.07-alloca.i_Iteration1_Lasso [2020-10-20 06:39:27,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:27,713 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:27,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:27,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:28,734 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2020-10-20 06:39:28,987 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-10-20 06:39:28,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:28,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:28,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:28,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:29,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:29,831 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:29,837 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:29,843 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 [2020-10-20 06:39:29,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:29,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:29,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:29,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:29,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:29,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:29,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:29,868 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 [2020-10-20 06:39:29,898 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 [2020-10-20 06:39:29,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:29,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:29,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:29,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:29,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:29,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:29,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:29,904 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 [2020-10-20 06:39:29,927 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 [2020-10-20 06:39:29,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:29,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:29,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:29,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:29,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:29,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:29,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:29,932 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:29,955 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 [2020-10-20 06:39:29,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:29,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:29,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:29,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:29,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:29,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:29,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:29,960 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 [2020-10-20 06:39:29,983 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 [2020-10-20 06:39:29,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:29,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:29,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:29,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:29,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:29,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:29,993 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 [2020-10-20 06:39:30,027 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 [2020-10-20 06:39:30,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:30,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:30,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:30,036 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,066 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 [2020-10-20 06:39:30,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:30,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:30,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:30,079 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,109 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 [2020-10-20 06:39:30,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:30,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:30,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:30,114 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) [2020-10-20 06:39:30,142 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:30,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:30,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:30,147 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,177 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 [2020-10-20 06:39:30,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,189 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 [2020-10-20 06:39:30,223 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 [2020-10-20 06:39:30,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,242 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,265 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 [2020-10-20 06:39:30,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:30,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:30,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:30,270 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 [2020-10-20 06:39:30,295 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 [2020-10-20 06:39:30,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:30,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:30,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:30,298 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,321 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 [2020-10-20 06:39:30,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,366 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) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,396 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 [2020-10-20 06:39:30,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,405 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 [2020-10-20 06:39:30,434 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 [2020-10-20 06:39:30,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,444 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) [2020-10-20 06:39:30,467 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,492 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:30,541 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 [2020-10-20 06:39:30,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,557 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:30,628 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 [2020-10-20 06:39:30,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,641 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) [2020-10-20 06:39:30,717 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 [2020-10-20 06:39:30,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,729 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) [2020-10-20 06:39:30,792 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 [2020-10-20 06:39:30,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:30,829 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) [2020-10-20 06:39:30,891 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 [2020-10-20 06:39:30,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:30,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:30,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:30,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:30,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:30,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:30,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:31,065 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2020-10-20 06:39:31,065 INFO L444 ModelExtractionUtils]: 19 out of 52 variables were initially zero. Simplification set additionally 28 variables to zero. 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) [2020-10-20 06:39:31,090 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:31,132 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:39:31,133 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:31,134 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1, ULTIMATE.start_test_fun_~k) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1 + 2*ULTIMATE.start_test_fun_~k + 201 Supporting invariants [] [2020-10-20 06:39:31,640 INFO L297 tatePredicateManager]: 54 out of 59 supporting invariants were superfluous and have been removed [2020-10-20 06:39:31,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:31,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:31,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:39:31,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:31,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-20 06:39:31,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:31,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:31,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:31,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:39:32,077 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2020-10-20 06:39:32,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 6 states. [2020-10-20 06:39:32,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 6 states. Result 38 states and 49 transitions. Complement of second has 14 states. [2020-10-20 06:39:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 06:39:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2020-10-20 06:39:32,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 5 letters. [2020-10-20 06:39:32,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:32,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 7 letters. Loop has 5 letters. [2020-10-20 06:39:32,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:32,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 10 letters. [2020-10-20 06:39:32,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:32,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2020-10-20 06:39:32,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:39:32,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 19 states and 25 transitions. [2020-10-20 06:39:32,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-10-20 06:39:32,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-10-20 06:39:32,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2020-10-20 06:39:32,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:32,396 INFO L691 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2020-10-20 06:39:32,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2020-10-20 06:39:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2020-10-20 06:39:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 06:39:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2020-10-20 06:39:32,433 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-20 06:39:32,434 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2020-10-20 06:39:32,434 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:39:32,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2020-10-20 06:39:32,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-10-20 06:39:32,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:32,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:32,436 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:39:32,436 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 06:39:32,436 INFO L794 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 353#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~i, test_fun_#in~j, test_fun_#in~k, test_fun_#in~tmp := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~i, test_fun_~j, test_fun_~k, test_fun_~tmp, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;test_fun_~k := test_fun_#in~k;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_~k, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 354#L559-8 call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 359#L559-1 [2020-10-20 06:39:32,437 INFO L796 eck$LassoCheckResult]: Loop: 359#L559-1 assume !test_fun_#t~short9; 360#L559-3 test_fun_#t~short11 := test_fun_#t~short9; 366#L559-4 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 > -2147483648; 355#L559-6 assume !!test_fun_#t~short11;havoc test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem10;havoc test_fun_#t~mem7;havoc test_fun_#t~short9;call test_fun_#t~mem12 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem12, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_#t~mem13, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem13;call test_fun_#t~mem14 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem14, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem14;call test_fun_#t~mem15 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_#t~mem15 - 1, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);havoc test_fun_#t~mem15; 356#L559-8 call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 359#L559-1 [2020-10-20 06:39:32,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:32,437 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-20 06:39:32,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:32,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437238699] [2020-10-20 06:39:32,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:32,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:32,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:32,500 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:32,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:32,501 INFO L82 PathProgramCache]: Analyzing trace with hash 40145596, now seen corresponding path program 1 times [2020-10-20 06:39:32,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:32,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501614021] [2020-10-20 06:39:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:39:32,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501614021] [2020-10-20 06:39:32,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:39:32,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:39:32,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537113752] [2020-10-20 06:39:32,562 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 06:39:32,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:39:32,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:39:32,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:39:32,567 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-10-20 06:39:32,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:39:32,608 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2020-10-20 06:39:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:39:32,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2020-10-20 06:39:32,610 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:32,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2020-10-20 06:39:32,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:39:32,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:39:32,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:39:32,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:39:32,611 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:32,611 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:32,611 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:32,611 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:39:32,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:39:32,612 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:32,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:39:32,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:39:32 BoogieIcfgContainer [2020-10-20 06:39:32,619 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:39:32,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:39:32,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:39:32,620 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:39:32,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:24" (3/4) ... [2020-10-20 06:39:32,625 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:39:32,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:39:32,627 INFO L168 Benchmark]: Toolchain (without parser) took 9010.98 ms. Allocated memory was 40.9 MB in the beginning and 82.3 MB in the end (delta: 41.4 MB). Free memory was 18.4 MB in the beginning and 54.5 MB in the end (delta: -36.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,628 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 31.5 MB. Free memory was 7.5 MB in the beginning and 7.4 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.60 ms. Allocated memory was 40.9 MB in the beginning and 44.0 MB in the end (delta: 3.1 MB). Free memory was 17.5 MB in the beginning and 26.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.74 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 23.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,630 INFO L168 Benchmark]: Boogie Preprocessor took 28.81 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 22.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,631 INFO L168 Benchmark]: RCFGBuilder took 445.06 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 19.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,632 INFO L168 Benchmark]: BuchiAutomizer took 7921.08 ms. Allocated memory was 44.0 MB in the beginning and 82.3 MB in the end (delta: 38.3 MB). Free memory was 19.4 MB in the beginning and 55.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,633 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 82.3 MB. Free memory was 55.6 MB in the beginning and 54.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:32,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 31.5 MB. Free memory was 7.5 MB in the beginning and 7.4 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 545.60 ms. Allocated memory was 40.9 MB in the beginning and 44.0 MB in the end (delta: 3.1 MB). Free memory was 17.5 MB in the beginning and 26.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 54.74 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 23.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 28.81 ms. Allocated memory is still 44.0 MB. Free memory was 23.6 MB in the beginning and 22.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 445.06 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 19.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 7921.08 ms. Allocated memory was 44.0 MB in the beginning and 82.3 MB in the end (delta: 38.3 MB). Free memory was 19.4 MB in the beginning and 55.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Witness Printer took 5.21 ms. Allocated memory is still 82.3 MB. Free memory was 55.6 MB in the beginning and 54.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[j_ref][j_ref] + -2 * unknown-#memory_int-unknown[i_ref][i_ref] + 2 * k + 201 and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 15 SDslu, 9 SDs, 0 SdLazy, 52 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital1036 mio100 ax101 hnf100 lsp97 ukn26 mio100 lsp36 div100 bol100 ite100 ukn100 eq200 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...