./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/ldv-memsafety-bitfields/test-bitfields-2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dbc6bab9a799b7f4b90bf959cd96947d3b192e5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:27:42,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:27:42,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:27:42,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:27:42,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:27:42,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:27:42,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:27:42,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:27:42,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:27:42,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:27:42,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:27:42,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:27:42,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:27:42,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:27:42,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:27:42,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:27:42,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:27:42,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:27:42,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:27:42,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:27:42,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:27:42,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:27:42,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:27:42,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:27:42,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:27:42,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:27:42,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:27:42,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:27:42,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:27:42,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:27:42,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:27:42,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:27:42,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:27:42,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:27:42,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:27:42,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:27:42,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:27:42,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:27:42,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:27:42,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:27:42,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:27:42,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:27:42,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:27:42,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:27:42,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:27:42,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:27:42,591 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:27:42,591 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:27:42,591 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:27:42,592 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:27:42,592 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:27:42,592 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:27:42,592 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:27:42,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:27:42,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:27:42,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:27:42,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:27:42,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:27:42,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:27:42,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:27:42,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:27:42,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:27:42,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:27:42,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:27:42,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:27:42,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:27:42,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:27:42,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:27:42,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:27:42,596 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:27:42,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:27:42,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:27:42,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:27:42,597 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:27:42,598 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:27:42,598 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dbc6bab9a799b7f4b90bf959cd96947d3b192e5 [2020-10-19 20:27:42,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:27:42,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:27:42,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:27:42,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:27:42,925 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:27:42,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i [2020-10-19 20:27:42,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ed108d6/0e2b60327e13465485e940eced64209b/FLAGe5a22406a [2020-10-19 20:27:43,449 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:27:43,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i [2020-10-19 20:27:43,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ed108d6/0e2b60327e13465485e940eced64209b/FLAGe5a22406a [2020-10-19 20:27:43,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ed108d6/0e2b60327e13465485e940eced64209b [2020-10-19 20:27:43,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:27:43,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:27:43,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:27:43,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:27:43,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:27:43,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:27:43" (1/1) ... [2020-10-19 20:27:43,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca3728a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:43, skipping insertion in model container [2020-10-19 20:27:43,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:27:43" (1/1) ... [2020-10-19 20:27:43,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:27:43,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:27:44,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:27:44,030 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:27:44,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:27:44,067 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:27:44,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44 WrapperNode [2020-10-19 20:27:44,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:27:44,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:27:44,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:27:44,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:27:44,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:27:44,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:27:44,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:27:44,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:27:44,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (1/1) ... [2020-10-19 20:27:44,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:27:44,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:27:44,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:27:44,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:27:44,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (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 [2020-10-19 20:27:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 20:27:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 20:27:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:27:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-19 20:27:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:27:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 20:27:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 20:27:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-19 20:27:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:27:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:27:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 20:27:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 20:27:44,567 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 20:27:44,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:27:44,630 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-19 20:27:44,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:27:44 BoogieIcfgContainer [2020-10-19 20:27:44,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:27:44,633 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:27:44,633 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:27:44,636 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:27:44,637 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:27:44,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:27:43" (1/3) ... [2020-10-19 20:27:44,638 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7206f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:27:44, skipping insertion in model container [2020-10-19 20:27:44,638 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:27:44,638 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:27:44" (2/3) ... [2020-10-19 20:27:44,638 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7206f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:27:44, skipping insertion in model container [2020-10-19 20:27:44,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:27:44,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:27:44" (3/3) ... [2020-10-19 20:27:44,640 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-2-2.i [2020-10-19 20:27:44,686 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:27:44,686 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:27:44,686 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:27:44,686 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:27:44,686 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:27:44,687 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:27:44,687 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:27:44,687 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:27:44,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-10-19 20:27:44,727 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-19 20:27:44,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:27:44,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:27:44,734 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 20:27:44,734 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 20:27:44,734 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:27:44,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-10-19 20:27:44,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-19 20:27:44,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:27:44,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:27:44,737 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-19 20:27:44,737 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 20:27:44,746 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 12#L31true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4);< 18##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr8 := 0; 9#L-1-1true [2020-10-19 20:27:44,746 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr8 < size;call #t~mem9 := read~unchecked~int(src.base, src.offset + #t~loopctr8, 1);call write~unchecked~int(#t~mem9, dest.base, dest.offset + #t~loopctr8, 1);#t~loopctr8 := 1 + #t~loopctr8; 9#L-1-1true [2020-10-19 20:27:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:44,752 INFO L82 PathProgramCache]: Analyzing trace with hash 28745848, now seen corresponding path program 1 times [2020-10-19 20:27:44,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:44,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181238772] [2020-10-19 20:27:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:44,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:44,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:44,942 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:44,943 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times [2020-10-19 20:27:44,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:44,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191445777] [2020-10-19 20:27:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:44,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:44,954 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:44,956 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:44,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:44,958 INFO L82 PathProgramCache]: Analyzing trace with hash 891121336, now seen corresponding path program 1 times [2020-10-19 20:27:44,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:44,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096274429] [2020-10-19 20:27:44,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:44,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:45,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:45,021 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:45,577 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-10-19 20:27:45,781 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-19 20:27:46,233 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-10-19 20:27:46,398 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-19 20:27:46,412 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:27:46,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:27:46,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:27:46,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:27:46,413 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:27:46,414 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:46,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:27:46,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:27:46,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration1_Lasso [2020-10-19 20:27:46,415 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:27:46,415 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:27:46,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,835 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-10-19 20:27:46,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:46,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:47,371 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:27:47,379 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 [2020-10-19 20:27:47,389 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 [2020-10-19 20:27:47,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,398 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 [2020-10-19 20:27:47,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:27:47,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,426 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 [2020-10-19 20:27:47,448 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 [2020-10-19 20:27:47,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,455 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 [2020-10-19 20:27:47,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:27:47,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,518 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 [2020-10-19 20:27:47,538 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 [2020-10-19 20:27:47,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,547 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 [2020-10-19 20:27:47,570 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 [2020-10-19 20:27:47,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,576 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 [2020-10-19 20:27:47,599 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 [2020-10-19 20:27:47,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,609 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 [2020-10-19 20:27:47,632 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 [2020-10-19 20:27:47,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:47,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:47,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:47,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:47,660 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 [2020-10-19 20:27:47,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,670 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 [2020-10-19 20:27:47,695 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 [2020-10-19 20:27:47,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,705 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 [2020-10-19 20:27:47,731 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 [2020-10-19 20:27:47,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,748 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 [2020-10-19 20:27:47,780 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 [2020-10-19 20:27:47,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,788 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) [2020-10-19 20:27:47,837 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 [2020-10-19 20:27:47,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,840 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-19 20:27:47,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,845 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-19 20:27:47,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:47,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:47,902 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 [2020-10-19 20:27:47,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:47,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:47,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:27:47,945 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 [2020-10-19 20:27:47,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:47,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,955 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) [2020-10-19 20:27:47,980 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 [2020-10-19 20:27:47,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:47,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:47,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:47,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:47,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:47,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:47,992 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,034 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 [2020-10-19 20:27:48,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:27:48,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:27:48,052 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:27:48,075 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-19 20:27:48,076 INFO L444 ModelExtractionUtils]: 11 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,084 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:27:48,087 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-19 20:27:48,087 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:27:48,087 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr8, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr8 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-10-19 20:27:48,172 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2020-10-19 20:27:48,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-10-19 20:27:48,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:48,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:27:48,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:48,260 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:27:48,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:27:48,280 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-19 20:27:48,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 2 states. [2020-10-19 20:27:48,340 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 2 states. Result 28 states and 38 transitions. Complement of second has 6 states. [2020-10-19 20:27:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 20:27:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-19 20:27:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-10-19 20:27:48,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-19 20:27:48,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:48,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-19 20:27:48,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:48,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-19 20:27:48,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:48,349 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 38 transitions. [2020-10-19 20:27:48,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 20:27:48,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 11 transitions. [2020-10-19 20:27:48,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-19 20:27:48,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-19 20:27:48,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-10-19 20:27:48,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:27:48,360 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-10-19 20:27:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-10-19 20:27:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-10-19 20:27:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-19 20:27:48,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-10-19 20:27:48,392 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 20:27:48,392 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-19 20:27:48,393 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:27:48,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-10-19 20:27:48,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 20:27:48,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:27:48,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:27:48,394 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-19 20:27:48,395 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 20:27:48,395 INFO L794 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 157#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 158#L31 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4);< 159##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 161#$Ultimate##0 #t~loopctr8 := 0; 162#L-1-1 assume !(#t~loopctr8 < size);#t~loopctr10 := 0; 163#L-1-3 [2020-10-19 20:27:48,395 INFO L796 eck$LassoCheckResult]: Loop: 163#L-1-3 assume #t~loopctr10 < size;#t~loopctr10 := 4 + #t~loopctr10; 163#L-1-3 [2020-10-19 20:27:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:48,396 INFO L82 PathProgramCache]: Analyzing trace with hash 891121338, now seen corresponding path program 1 times [2020-10-19 20:27:48,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:48,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8789366] [2020-10-19 20:27:48,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:27:48,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8789366] [2020-10-19 20:27:48,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:27:48,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:27:48,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690193905] [2020-10-19 20:27:48,474 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:27:48,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:48,474 INFO L82 PathProgramCache]: Analyzing trace with hash 85, now seen corresponding path program 1 times [2020-10-19 20:27:48,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:27:48,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690905112] [2020-10-19 20:27:48,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:27:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:48,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:27:48,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:27:48,481 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:27:48,490 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:27:48,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:27:48,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:27:48,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:27:48,490 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:27:48,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:27:48,491 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:27:48,491 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration2_Loop [2020-10-19 20:27:48,491 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:27:48,491 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:27:48,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,512 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:27:48,514 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:27:48,519 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-10-19 20:27:48,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:27:48,547 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,702 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:27:48,705 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:27:48,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:27:48,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:27:48,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:27:48,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:27:48,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:27:48,706 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:27:48,706 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration2_Loop [2020-10-19 20:27:48,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:27:48,706 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:27:48,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:27:48,726 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:27:48,726 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,739 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 [2020-10-19 20:27:48,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:27:48,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:27:48,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:27:48,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:27:48,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:27:48,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:27:48,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:27:48,751 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:27:48,763 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:27:48,763 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:27:48,767 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:27:48,767 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:27:48,767 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:27:48,767 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr10) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr10 Supporting invariants [] [2020-10-19 20:27:48,787 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:27:48,789 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-10-19 20:27:48,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:27:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:48,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:27:48,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:27:48,832 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:27:48,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:27:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:27:48,833 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-19 20:27:48,833 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-10-19 20:27:48,839 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2020-10-19 20:27:48,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-19 20:27:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-19 20:27:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-10-19 20:27:48,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-19 20:27:48,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:48,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-10-19 20:27:48,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:48,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-19 20:27:48,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:27:48,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-10-19 20:27:48,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:27:48,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-19 20:27:48,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:27:48,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:27:48,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:27:48,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:27:48,843 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:48,843 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:48,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:27:48,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 20:27:48,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 20:27:48,848 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-10-19 20:27:48,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:27:48,851 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:27:48,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:27:48,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:27:48,851 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:27:48,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:27:48,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:27:48,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:27:48,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:27:48,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:27:48,852 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:48,852 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:48,852 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:27:48,852 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:27:48,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:27:48,852 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:27:48,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:27:48,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:27:48 BoogieIcfgContainer [2020-10-19 20:27:48,859 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:27:48,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:27:48,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:27:48,859 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:27:48,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:27:44" (3/4) ... [2020-10-19 20:27:48,863 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:27:48,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:27:48,865 INFO L168 Benchmark]: Toolchain (without parser) took 5077.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 958.6 MB in the beginning and 1.0 GB in the end (delta: -56.1 MB). Peak memory consumption was 146.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:48,866 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:27:48,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.28 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:48,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:48,868 INFO L168 Benchmark]: Boogie Preprocessor took 31.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:48,869 INFO L168 Benchmark]: RCFGBuilder took 428.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:48,870 INFO L168 Benchmark]: BuchiAutomizer took 4225.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.5 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. [2020-10-19 20:27:48,870 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:27:48,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.28 ms. Allocated memory is still 1.0 GB. Free memory was 958.6 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 428.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4225.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.5 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr8-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr10-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital71 mio100 ax100 hnf100 lsp98 ukn87 mio100 lsp79 div100 bol100 ite100 ukn100 eq168 hnf89 smp97 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...