./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1e9ba7e316537618e1819aa49662575d0a5a8e7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:38:55,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:38:55,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:38:55,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:38:55,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:38:55,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:38:55,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:38:55,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:38:55,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:38:55,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:38:55,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:38:55,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:38:55,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:38:55,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:38:55,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:38:55,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:38:55,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:38:55,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:38:55,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:38:55,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:38:55,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:38:55,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:38:55,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:38:55,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:38:55,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:38:55,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:38:55,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:38:55,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:38:55,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:38:55,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:38:55,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:38:55,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:38:55,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:38:55,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:38:55,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:38:55,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:38:55,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:38:55,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:38:55,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:38:55,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:38:55,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:38:55,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:38:55,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:38:55,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:38:55,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:38:55,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:38:55,418 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:38:55,418 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:38:55,419 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:38:55,419 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:38:55,419 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:38:55,419 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:38:55,420 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:38:55,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:38:55,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:38:55,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:38:55,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:38:55,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:38:55,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:38:55,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:38:55,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:38:55,422 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:38:55,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:38:55,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:38:55,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:38:55,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:38:55,423 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:38:55,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:38:55,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:38:55,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:38:55,424 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:38:55,425 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:38:55,426 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1e9ba7e316537618e1819aa49662575d0a5a8e7 [2020-10-20 06:38:55,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:38:55,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:38:55,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:38:55,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:38:55,627 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:38:55,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2020-10-20 06:38:55,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b494e7e1/4214b4876d5d4f29a7015f7b1c553f4a/FLAG456e1763d [2020-10-20 06:38:56,218 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:38:56,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2020-10-20 06:38:56,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b494e7e1/4214b4876d5d4f29a7015f7b1c553f4a/FLAG456e1763d [2020-10-20 06:38:56,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b494e7e1/4214b4876d5d4f29a7015f7b1c553f4a [2020-10-20 06:38:56,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:38:56,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:38:56,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:56,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:38:56,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:38:56,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:56" (1/1) ... [2020-10-20 06:38:56,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad3d3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:56, skipping insertion in model container [2020-10-20 06:38:56,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:56" (1/1) ... [2020-10-20 06:38:56,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:38:56,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:38:56,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:56,967 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:38:57,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:57,057 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:38:57,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57 WrapperNode [2020-10-20 06:38:57,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:57,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:57,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:38:57,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:38:57,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:57,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:38:57,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:38:57,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:38:57,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... [2020-10-20 06:38:57,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:38:57,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:38:57,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:38:57,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:38:57,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:38:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:38:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:38:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:38:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:38:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:38:57,472 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:38:57,472 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:38:57,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:57 BoogieIcfgContainer [2020-10-20 06:38:57,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:38:57,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:38:57,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:38:57,479 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:38:57,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:57,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:38:56" (1/3) ... [2020-10-20 06:38:57,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f85650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:57, skipping insertion in model container [2020-10-20 06:38:57,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:57,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:57" (2/3) ... [2020-10-20 06:38:57,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f85650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:57, skipping insertion in model container [2020-10-20 06:38:57,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:57,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:57" (3/3) ... [2020-10-20 06:38:57,487 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2020-10-20 06:38:57,606 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:38:57,607 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:38:57,607 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:38:57,607 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:38:57,615 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:38:57,615 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:38:57,616 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:38:57,616 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:38:57,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-20 06:38:57,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:38:57,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:57,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:57,663 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:57,664 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:38:57,664 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:38:57,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2020-10-20 06:38:57,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:38:57,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:57,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:57,666 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:57,667 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:38:57,678 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 6#L554-11true [2020-10-20 06:38:57,679 INFO L796 eck$LassoCheckResult]: Loop: 6#L554-11true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 8#L554-1true assume test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 >= 0; 12#L554-3true test_fun_#t~short9 := test_fun_#t~short7; 14#L554-4true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 3#L554-6true test_fun_#t~short11 := test_fun_#t~short9; 4#L554-7true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 5#L554-9true assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem10;havoc test_fun_#t~short9;havoc test_fun_#t~short7;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 6#L554-11true [2020-10-20 06:38:57,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:57,686 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:38:57,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:57,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710261270] [2020-10-20 06:38:57,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:57,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:57,842 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:57,865 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:57,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:57,867 INFO L82 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2020-10-20 06:38:57,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:57,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747579350] [2020-10-20 06:38:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:57,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:57,930 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:57,935 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:57,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:57,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2020-10-20 06:38:57,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:57,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167787613] [2020-10-20 06:38:57,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:58,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:58,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:58,037 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:58,345 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-10-20 06:38:58,648 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-10-20 06:38:58,757 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:38:58,759 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:38:58,759 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:38:58,759 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:38:58,759 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:38:58,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:38:58,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:38:58,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2020-10-20 06:38:58,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:38:58,761 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:38:58,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:58,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:59,065 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-20 06:38:59,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:59,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:59,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:59,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:59,601 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:38:59,607 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:38:59,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,623 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) [2020-10-20 06:38:59,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:59,705 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:59,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:59,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:59,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:59,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:59,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:59,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:38:59,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:59,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 [2020-10-20 06:38:59,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:59,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:59,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:59,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:59,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:59,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:59,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:59,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:00,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:00,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:00,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:00,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:00,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:00,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:00,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,267 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 [2020-10-20 06:39:00,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:39:00,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:00,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:00,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:00,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:00,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:00,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:00,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:00,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:00,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:00,631 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 06:39:00,631 INFO L444 ModelExtractionUtils]: 16 out of 22 variables were initially zero. Simplification set additionally 4 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 [2020-10-20 06:39:00,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:39:00,689 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:39:00,689 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:00,690 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2020-10-20 06:39:00,749 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 06:39:00,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:00,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:00,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:39:00,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:00,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:39:00,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:00,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:39:00,928 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:39:00,930 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2020-10-20 06:39:01,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 54 states and 68 transitions. Complement of second has 9 states. [2020-10-20 06:39:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:01,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:39:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2020-10-20 06:39:01,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 7 letters. [2020-10-20 06:39:01,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:01,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 9 letters. Loop has 7 letters. [2020-10-20 06:39:01,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:01,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 14 letters. [2020-10-20 06:39:01,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:01,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2020-10-20 06:39:01,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:39:01,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 24 states and 33 transitions. [2020-10-20 06:39:01,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-20 06:39:01,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-10-20 06:39:01,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2020-10-20 06:39:01,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:01,118 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2020-10-20 06:39:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2020-10-20 06:39:01,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2020-10-20 06:39:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:39:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2020-10-20 06:39:01,169 INFO L714 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2020-10-20 06:39:01,169 INFO L594 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2020-10-20 06:39:01,170 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:39:01,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2020-10-20 06:39:01,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:39:01,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:01,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:01,174 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:39:01,174 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:39:01,175 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 180#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 181#L554-1 [2020-10-20 06:39:01,175 INFO L796 eck$LassoCheckResult]: Loop: 181#L554-1 assume !test_fun_#t~short7; 182#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 189#L554-4 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 175#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 176#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 187#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem10;havoc test_fun_#t~short9;havoc test_fun_#t~short7;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 191#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 181#L554-1 [2020-10-20 06:39:01,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-20 06:39:01,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:01,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764822900] [2020-10-20 06:39:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:01,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:01,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:01,255 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:01,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:01,257 INFO L82 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2020-10-20 06:39:01,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:01,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541730701] [2020-10-20 06:39:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:39:01,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541730701] [2020-10-20 06:39:01,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:39:01,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:39:01,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492544939] [2020-10-20 06:39:01,318 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 06:39:01,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:39:01,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:39:01,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:39:01,322 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-20 06:39:01,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:39:01,371 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2020-10-20 06:39:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:39:01,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2020-10-20 06:39:01,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:39:01,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2020-10-20 06:39:01,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-20 06:39:01,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-20 06:39:01,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2020-10-20 06:39:01,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:01,375 INFO L691 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2020-10-20 06:39:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2020-10-20 06:39:01,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2020-10-20 06:39:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-20 06:39:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2020-10-20 06:39:01,378 INFO L714 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2020-10-20 06:39:01,378 INFO L594 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2020-10-20 06:39:01,378 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:39:01,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2020-10-20 06:39:01,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-10-20 06:39:01,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:01,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:01,380 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:39:01,380 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:39:01,381 INFO L794 eck$LassoCheckResult]: Stem: 244#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 233#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 234#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 239#L554-1 [2020-10-20 06:39:01,381 INFO L796 eck$LassoCheckResult]: Loop: 239#L554-1 assume !test_fun_#t~short7; 240#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 247#L554-4 assume !test_fun_#t~short9; 235#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 236#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 245#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~mem8;havoc test_fun_#t~mem10;havoc test_fun_#t~short9;havoc test_fun_#t~short7;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 249#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 239#L554-1 [2020-10-20 06:39:01,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:01,382 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-10-20 06:39:01,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:01,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179657969] [2020-10-20 06:39:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:01,394 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:01,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:01,408 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:01,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:01,409 INFO L82 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2020-10-20 06:39:01,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:01,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393996480] [2020-10-20 06:39:01,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:39:01,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393996480] [2020-10-20 06:39:01,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:39:01,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 06:39:01,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025958541] [2020-10-20 06:39:01,433 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 06:39:01,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:39:01,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:39:01,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:39:01,434 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-10-20 06:39:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:39:01,484 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-10-20 06:39:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 06:39:01,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2020-10-20 06:39:01,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:01,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-10-20 06:39:01,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:39:01,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:39:01,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:39:01,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:39:01,487 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:01,487 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:01,487 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:01,487 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:39:01,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:39:01,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:01,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:39:01,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:39:01 BoogieIcfgContainer [2020-10-20 06:39:01,495 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:39:01,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:39:01,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:39:01,496 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:39:01,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:57" (3/4) ... [2020-10-20 06:39:01,501 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:39:01,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:39:01,503 INFO L168 Benchmark]: Toolchain (without parser) took 4982.24 ms. Allocated memory was 37.2 MB in the beginning and 67.1 MB in the end (delta: 29.9 MB). Free memory was 18.1 MB in the beginning and 16.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,504 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 34.1 MB. Free memory was 11.1 MB in the beginning and 11.1 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.24 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 17.2 MB in the beginning and 17.3 MB in the end (delta: -66.9 kB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.50 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 17.3 MB in the beginning and 29.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,506 INFO L168 Benchmark]: Boogie Preprocessor took 34.74 ms. Allocated memory is still 47.2 MB. Free memory was 29.2 MB in the beginning and 27.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,507 INFO L168 Benchmark]: RCFGBuilder took 326.69 ms. Allocated memory is still 47.2 MB. Free memory was 27.6 MB in the beginning and 26.9 MB in the end (delta: 746.7 kB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,508 INFO L168 Benchmark]: BuchiAutomizer took 4020.05 ms. Allocated memory was 47.2 MB in the beginning and 67.1 MB in the end (delta: 19.9 MB). Free memory was 26.9 MB in the beginning and 16.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,509 INFO L168 Benchmark]: Witness Printer took 5.55 ms. Allocated memory is still 67.1 MB. Free memory was 16.2 MB in the beginning and 16.2 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:39:01,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 34.1 MB. Free memory was 11.1 MB in the beginning and 11.1 MB in the end (delta: 47.6 kB). Peak memory consumption was 47.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 531.24 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 17.2 MB in the beginning and 17.3 MB in the end (delta: -66.9 kB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 53.50 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 17.3 MB in the beginning and 29.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 34.74 ms. Allocated memory is still 47.2 MB. Free memory was 29.2 MB in the beginning and 27.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 326.69 ms. Allocated memory is still 47.2 MB. Free memory was 27.6 MB in the beginning and 26.9 MB in the end (delta: 746.7 kB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 4020.05 ms. Allocated memory was 47.2 MB in the beginning and 67.1 MB in the end (delta: 19.9 MB). Free memory was 26.9 MB in the beginning and 16.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 14.3 GB. * Witness Printer took 5.55 ms. Allocated memory is still 67.1 MB. Free memory was 16.2 MB in the beginning and 16.2 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 53 SDslu, 47 SDs, 0 SdLazy, 60 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital213 mio100 ax108 hnf100 lsp87 ukn64 mio100 lsp36 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...