./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e0ae1d4a6d8e17f880e475517b1dd4e6ac0a4bc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:16:51,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:16:51,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:16:52,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:16:52,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:16:52,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:16:52,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:16:52,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:16:52,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:16:52,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:16:52,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:16:52,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:16:52,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:16:52,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:16:52,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:16:52,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:16:52,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:16:52,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:16:52,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:16:52,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:16:52,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:16:52,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:16:52,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:16:52,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:16:52,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:16:52,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:16:52,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:16:52,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:16:52,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:16:52,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:16:52,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:16:52,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:16:52,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:16:52,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:16:52,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:16:52,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:16:52,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:16:52,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:16:52,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:16:52,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:16:52,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:16:52,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:16:52,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:16:52,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:16:52,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:16:52,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:16:52,083 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:16:52,083 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:16:52,083 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:16:52,083 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:16:52,083 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:16:52,084 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:16:52,084 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:16:52,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:16:52,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:16:52,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:16:52,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:16:52,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:16:52,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:16:52,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:16:52,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:16:52,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:16:52,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:16:52,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:16:52,086 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:16:52,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:16:52,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:16:52,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:16:52,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:16:52,088 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:16:52,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:16:52,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:16:52,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:16:52,088 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:16:52,090 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:16:52,090 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e0ae1d4a6d8e17f880e475517b1dd4e6ac0a4bc [2020-10-19 20:16:52,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:16:52,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:16:52,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:16:52,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:16:52,466 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:16:52,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2020-10-19 20:16:52,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30f29287/a802a8f04319491d924d9e882aec3ae3/FLAG124d186a9 [2020-10-19 20:16:53,038 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:16:53,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2020-10-19 20:16:53,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30f29287/a802a8f04319491d924d9e882aec3ae3/FLAG124d186a9 [2020-10-19 20:16:53,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b30f29287/a802a8f04319491d924d9e882aec3ae3 [2020-10-19 20:16:53,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:16:53,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:16:53,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:16:53,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:16:53,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:16:53,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519b1a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53, skipping insertion in model container [2020-10-19 20:16:53,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:16:53,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:16:53,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:16:53,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:16:53,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:16:53,877 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:16:53,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53 WrapperNode [2020-10-19 20:16:53,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:16:53,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:16:53,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:16:53,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:16:53,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:16:53,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:16:53,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:16:53,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:16:53,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:53,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:54,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:54,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... [2020-10-19 20:16:54,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:16:54,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:16:54,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:16:54,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:16:54,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:16:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:16:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:16:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:16:54,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:16:54,777 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-19 20:16:54,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:54 BoogieIcfgContainer [2020-10-19 20:16:54,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:16:54,780 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:16:54,781 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:16:54,785 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:16:54,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:54,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:16:53" (1/3) ... [2020-10-19 20:16:54,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f3e24fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:16:54, skipping insertion in model container [2020-10-19 20:16:54,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:54,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:53" (2/3) ... [2020-10-19 20:16:54,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f3e24fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:16:54, skipping insertion in model container [2020-10-19 20:16:54,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:54,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:54" (3/3) ... [2020-10-19 20:16:54,790 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2020-10-19 20:16:54,902 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:16:54,903 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:16:54,903 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:16:54,903 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:16:54,903 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:16:54,903 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:16:54,904 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:16:54,904 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:16:54,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states. [2020-10-19 20:16:54,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2020-10-19 20:16:54,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:54,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:54,977 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:54,977 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:54,977 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:16:54,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states. [2020-10-19 20:16:54,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2020-10-19 20:16:54,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:54,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:54,989 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:54,989 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:54,996 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 16#L-1true havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 39#L337true assume !(0 == ~r1~0);init_~tmp~0 := 0; 41#L337-1true init_#res := init_~tmp~0; 51#L502true main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 80#L69true assume 0 == assume_abort_if_not_~cond;assume false; 147#L68true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 106#L578-2true [2020-10-19 20:16:54,997 INFO L796 eck$LassoCheckResult]: Loop: 106#L578-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 24#L131true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 82#L135true assume !(node1_~m1~0 != ~nomsg~0); 81#L135-1true ~mode1~0 := 0; 21#L131-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 48#L166true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 30#L169true assume !(node2_~m2~0 != ~nomsg~0); 28#L169-1true ~mode2~0 := 0; 60#L166-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 136#L200true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 140#L203true assume !(node3_~m3~0 != ~nomsg~0); 139#L203-1true ~mode3~0 := 0; 133#L200-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 111#L234true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 90#L237true assume !(node4_~m4~0 != ~nomsg~0); 87#L237-1true ~mode4~0 := 0; 83#L234-2true havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 59#L268true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 26#L271true assume !(node5_~m5~0 != ~nomsg~0); 43#L271-1true ~mode5~0 := 0; 55#L268-2true havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 144#L302true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 129#L305true assume !(node6_~m6~0 != ~nomsg~0); 131#L305-1true ~mode6~0 := 0; 141#L302-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 57#L510true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 58#L510-1true check_#res := check_~tmp~1; 13#L522true main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 99#L611true assume !(0 == assert_~arg % 256); 73#L606true main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 106#L578-2true [2020-10-19 20:16:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:55,004 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2020-10-19 20:16:55,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:55,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896726745] [2020-10-19 20:16:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:55,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896726745] [2020-10-19 20:16:55,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:55,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 20:16:55,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267308731] [2020-10-19 20:16:55,229 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:16:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash -373862221, now seen corresponding path program 1 times [2020-10-19 20:16:55,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:55,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125702094] [2020-10-19 20:16:55,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:55,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125702094] [2020-10-19 20:16:55,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:55,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:55,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396167229] [2020-10-19 20:16:55,448 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:55,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:55,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 20:16:55,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 20:16:55,468 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2020-10-19 20:16:55,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:55,487 INFO L93 Difference]: Finished difference Result 144 states and 242 transitions. [2020-10-19 20:16:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:16:55,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 242 transitions. [2020-10-19 20:16:55,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-10-19 20:16:55,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 139 states and 237 transitions. [2020-10-19 20:16:55,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2020-10-19 20:16:55,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2020-10-19 20:16:55,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 237 transitions. [2020-10-19 20:16:55,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:55,514 INFO L691 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2020-10-19 20:16:55,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 237 transitions. [2020-10-19 20:16:55,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-19 20:16:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-19 20:16:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 237 transitions. [2020-10-19 20:16:55,555 INFO L714 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2020-10-19 20:16:55,556 INFO L594 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2020-10-19 20:16:55,556 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:16:55,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 237 transitions. [2020-10-19 20:16:55,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-10-19 20:16:55,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:55,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:55,561 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:55,561 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:55,561 INFO L794 eck$LassoCheckResult]: Stem: 432#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 329#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 330#L337 assume !(0 == ~r1~0);init_~tmp~0 := 0; 308#L337-1 init_#res := init_~tmp~0; 372#L502 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 387#L69 assume !(0 == assume_abort_if_not_~cond); 416#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 410#L578-2 [2020-10-19 20:16:55,562 INFO L796 eck$LassoCheckResult]: Loop: 410#L578-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 342#L131 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 344#L135 assume !(node1_~m1~0 != ~nomsg~0); 350#L135-1 ~mode1~0 := 0; 338#L131-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 339#L166 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 355#L169 assume !(node2_~m2~0 != ~nomsg~0); 352#L169-1 ~mode2~0 := 0; 341#L166-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 397#L200 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 438#L203 assume !(node3_~m3~0 != ~nomsg~0); 306#L203-1 ~mode3~0 := 0; 423#L200-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 431#L234 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 420#L237 assume !(node4_~m4~0 != ~nomsg~0); 375#L237-1 ~mode4~0 := 0; 385#L234-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 394#L268 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 346#L271 assume !(node5_~m5~0 != ~nomsg~0); 348#L271-1 ~mode5~0 := 0; 376#L268-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 391#L302 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 436#L305 assume !(node6_~m6~0 != ~nomsg~0); 318#L305-1 ~mode6~0 := 0; 429#L302-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 393#L510 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 325#L510-1 check_#res := check_~tmp~1; 322#L522 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 323#L611 assume !(0 == assert_~arg % 256); 409#L606 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 410#L578-2 [2020-10-19 20:16:55,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:55,562 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2020-10-19 20:16:55,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:55,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576786788] [2020-10-19 20:16:55,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:55,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576786788] [2020-10-19 20:16:55,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:55,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:55,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011253320] [2020-10-19 20:16:55,636 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:16:55,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:55,637 INFO L82 PathProgramCache]: Analyzing trace with hash -373862221, now seen corresponding path program 2 times [2020-10-19 20:16:55,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:55,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199195444] [2020-10-19 20:16:55,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:55,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199195444] [2020-10-19 20:16:55,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:55,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:55,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983946705] [2020-10-19 20:16:55,769 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:55,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:55,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:16:55,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:16:55,776 INFO L87 Difference]: Start difference. First operand 139 states and 237 transitions. cyclomatic complexity: 99 Second operand 5 states. [2020-10-19 20:16:55,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:55,924 INFO L93 Difference]: Finished difference Result 142 states and 239 transitions. [2020-10-19 20:16:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:16:55,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 239 transitions. [2020-10-19 20:16:55,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-10-19 20:16:55,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 196 transitions. [2020-10-19 20:16:55,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2020-10-19 20:16:55,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2020-10-19 20:16:55,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 196 transitions. [2020-10-19 20:16:55,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:55,934 INFO L691 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2020-10-19 20:16:55,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 196 transitions. [2020-10-19 20:16:55,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-19 20:16:55,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-19 20:16:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2020-10-19 20:16:55,944 INFO L714 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2020-10-19 20:16:55,944 INFO L594 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2020-10-19 20:16:55,944 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:16:55,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 196 transitions. [2020-10-19 20:16:55,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-10-19 20:16:55,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:55,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:55,949 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:55,949 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:55,950 INFO L794 eck$LassoCheckResult]: Stem: 728#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 626#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 627#L337 assume 0 == ~r1~0; 665#L338 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 708#L339 assume ~id1~0 >= 0; 628#L340 assume 0 == ~st1~0; 629#L341 assume ~send1~0 == ~id1~0; 701#L342 assume 0 == ~mode1~0 % 256; 610#L343 assume ~id2~0 >= 0; 611#L344 assume 0 == ~st2~0; 675#L345 assume ~send2~0 == ~id2~0; 676#L346 assume 0 == ~mode2~0 % 256; 718#L347 assume ~id3~0 >= 0; 663#L348 assume 0 == ~st3~0; 664#L349 assume ~send3~0 == ~id3~0; 707#L350 assume 0 == ~mode3~0 % 256; 654#L351 assume ~id4~0 >= 0; 655#L352 assume 0 == ~st4~0; 700#L353 assume ~send4~0 == ~id4~0; 607#L354 assume 0 == ~mode4~0 % 256; 608#L355 assume ~id5~0 >= 0; 673#L356 assume 0 == ~st5~0; 674#L357 assume ~send5~0 == ~id5~0; 717#L358 assume 0 == ~mode5~0 % 256; 659#L359 assume ~id6~0 >= 0; 660#L360 assume 0 == ~st6~0; 704#L361 assume ~send6~0 == ~id6~0; 652#L362 assume 0 == ~mode6~0 % 256; 653#L363 assume ~id1~0 != ~id2~0; 699#L364 assume ~id1~0 != ~id3~0; 605#L365 assume ~id1~0 != ~id4~0; 606#L366 assume ~id1~0 != ~id5~0; 692#L367 assume ~id1~0 != ~id6~0; 693#L368 assume ~id2~0 != ~id3~0; 715#L369 assume ~id2~0 != ~id4~0; 657#L370 assume ~id2~0 != ~id5~0; 658#L371 assume ~id2~0 != ~id6~0; 703#L372 assume ~id3~0 != ~id4~0; 648#L373 assume ~id3~0 != ~id5~0; 649#L374 assume ~id3~0 != ~id6~0; 698#L375 assume ~id4~0 != ~id5~0; 603#L376 assume ~id4~0 != ~id6~0; 604#L377 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 667#L337-1 init_#res := init_~tmp~0; 668#L502 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 684#L69 assume !(0 == assume_abort_if_not_~cond); 712#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 706#L578-2 [2020-10-19 20:16:55,951 INFO L796 eck$LassoCheckResult]: Loop: 706#L578-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 637#L131 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 639#L135 assume !(node1_~m1~0 != ~nomsg~0); 646#L135-1 ~mode1~0 := 0; 633#L131-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 634#L166 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 650#L169 assume !(node2_~m2~0 != ~nomsg~0); 644#L169-1 ~mode2~0 := 0; 636#L166-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 691#L200 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 734#L203 assume !(node3_~m3~0 != ~nomsg~0); 602#L203-1 ~mode3~0 := 0; 719#L200-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 727#L234 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 716#L237 assume !(node4_~m4~0 != ~nomsg~0); 671#L237-1 ~mode4~0 := 0; 681#L234-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 690#L268 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 641#L271 assume !(node5_~m5~0 != ~nomsg~0); 643#L271-1 ~mode5~0 := 0; 672#L268-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 687#L302 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 732#L305 assume !(node6_~m6~0 != ~nomsg~0); 616#L305-1 ~mode6~0 := 0; 725#L302-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 689#L510 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 622#L510-1 check_#res := check_~tmp~1; 617#L522 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 618#L611 assume !(0 == assert_~arg % 256); 705#L606 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 706#L578-2 [2020-10-19 20:16:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:55,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2020-10-19 20:16:55,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:55,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620344275] [2020-10-19 20:16:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:56,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:56,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:56,108 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:56,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:56,110 INFO L82 PathProgramCache]: Analyzing trace with hash -373862221, now seen corresponding path program 3 times [2020-10-19 20:16:56,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:56,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19763303] [2020-10-19 20:16:56,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:56,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19763303] [2020-10-19 20:16:56,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:56,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:56,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46025693] [2020-10-19 20:16:56,203 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:56,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:56,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:16:56,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:16:56,203 INFO L87 Difference]: Start difference. First operand 139 states and 196 transitions. cyclomatic complexity: 58 Second operand 5 states. [2020-10-19 20:16:56,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:56,258 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2020-10-19 20:16:56,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:16:56,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2020-10-19 20:16:56,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-10-19 20:16:56,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 194 transitions. [2020-10-19 20:16:56,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2020-10-19 20:16:56,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2020-10-19 20:16:56,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 194 transitions. [2020-10-19 20:16:56,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:56,265 INFO L691 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2020-10-19 20:16:56,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 194 transitions. [2020-10-19 20:16:56,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-19 20:16:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-19 20:16:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 194 transitions. [2020-10-19 20:16:56,274 INFO L714 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2020-10-19 20:16:56,274 INFO L594 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2020-10-19 20:16:56,274 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:16:56,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 194 transitions. [2020-10-19 20:16:56,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2020-10-19 20:16:56,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:56,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:56,278 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:56,279 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:56,279 INFO L794 eck$LassoCheckResult]: Stem: 1021#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 919#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 920#L337 assume 0 == ~r1~0; 958#L338 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 1001#L339 assume ~id1~0 >= 0; 921#L340 assume 0 == ~st1~0; 922#L341 assume ~send1~0 == ~id1~0; 994#L342 assume 0 == ~mode1~0 % 256; 903#L343 assume ~id2~0 >= 0; 904#L344 assume 0 == ~st2~0; 968#L345 assume ~send2~0 == ~id2~0; 969#L346 assume 0 == ~mode2~0 % 256; 1011#L347 assume ~id3~0 >= 0; 956#L348 assume 0 == ~st3~0; 957#L349 assume ~send3~0 == ~id3~0; 1000#L350 assume 0 == ~mode3~0 % 256; 947#L351 assume ~id4~0 >= 0; 948#L352 assume 0 == ~st4~0; 993#L353 assume ~send4~0 == ~id4~0; 900#L354 assume 0 == ~mode4~0 % 256; 901#L355 assume ~id5~0 >= 0; 966#L356 assume 0 == ~st5~0; 967#L357 assume ~send5~0 == ~id5~0; 1010#L358 assume 0 == ~mode5~0 % 256; 952#L359 assume ~id6~0 >= 0; 953#L360 assume 0 == ~st6~0; 997#L361 assume ~send6~0 == ~id6~0; 943#L362 assume 0 == ~mode6~0 % 256; 944#L363 assume ~id1~0 != ~id2~0; 992#L364 assume ~id1~0 != ~id3~0; 898#L365 assume ~id1~0 != ~id4~0; 899#L366 assume ~id1~0 != ~id5~0; 984#L367 assume ~id1~0 != ~id6~0; 985#L368 assume ~id2~0 != ~id3~0; 1008#L369 assume ~id2~0 != ~id4~0; 950#L370 assume ~id2~0 != ~id5~0; 951#L371 assume ~id2~0 != ~id6~0; 996#L372 assume ~id3~0 != ~id4~0; 941#L373 assume ~id3~0 != ~id5~0; 942#L374 assume ~id3~0 != ~id6~0; 991#L375 assume ~id4~0 != ~id5~0; 896#L376 assume ~id4~0 != ~id6~0; 897#L377 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 960#L337-1 init_#res := init_~tmp~0; 961#L502 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 976#L69 assume !(0 == assume_abort_if_not_~cond); 1005#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 999#L578-2 [2020-10-19 20:16:56,280 INFO L796 eck$LassoCheckResult]: Loop: 999#L578-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 930#L131 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 932#L135 assume !(node1_~m1~0 != ~nomsg~0); 938#L135-1 ~mode1~0 := 0; 926#L131-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 927#L166 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 945#L169 assume !(node2_~m2~0 != ~nomsg~0); 940#L169-1 ~mode2~0 := 0; 929#L166-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 986#L200 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1027#L203 assume !(node3_~m3~0 != ~nomsg~0); 895#L203-1 ~mode3~0 := 0; 1012#L200-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1020#L234 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1009#L237 assume !(node4_~m4~0 != ~nomsg~0); 964#L237-1 ~mode4~0 := 0; 974#L234-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 983#L268 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 934#L271 assume !(node5_~m5~0 != ~nomsg~0); 936#L271-1 ~mode5~0 := 0; 965#L268-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 980#L302 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 1025#L305 assume !(node6_~m6~0 != ~nomsg~0); 909#L305-1 ~mode6~0 := 0; 1018#L302-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 982#L510 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 914#L511 assume ~r1~0 < 6;check_~tmp~1 := 1; 915#L510-1 check_#res := check_~tmp~1; 910#L522 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 911#L611 assume !(0 == assert_~arg % 256); 998#L606 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 999#L578-2 [2020-10-19 20:16:56,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:56,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2020-10-19 20:16:56,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:56,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276295086] [2020-10-19 20:16:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:56,316 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:56,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:56,369 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:56,370 INFO L82 PathProgramCache]: Analyzing trace with hash 911844175, now seen corresponding path program 1 times [2020-10-19 20:16:56,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:56,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109145662] [2020-10-19 20:16:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:56,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:56,427 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:56,443 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:56,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1786875054, now seen corresponding path program 1 times [2020-10-19 20:16:56,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:56,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880535951] [2020-10-19 20:16:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:56,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880535951] [2020-10-19 20:16:56,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:56,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:16:56,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023813857] [2020-10-19 20:16:57,219 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2020-10-19 20:16:57,724 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2020-10-19 20:16:57,740 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:16:57,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:16:57,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:16:57,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:16:57,742 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:16:57,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:57,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:16:57,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:16:57,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-10-19 20:16:57,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:16:57,743 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:16:57,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:57,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:58,381 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-19 20:16:58,809 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-19 20:16:58,928 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:16:58,929 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:58,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:16:58,938 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:58,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:16:58,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 20:16:59,097 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:16:59,100 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:16:59,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:16:59,100 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:16:59,100 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:16:59,100 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:16:59,100 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:59,100 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:16:59,100 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:16:59,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-10-19 20:16:59,101 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:16:59,101 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:16:59,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:59,891 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-19 20:17:00,250 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-19 20:17:00,261 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:17:00,266 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-19 20:17:00,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:17:00,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:17:00,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:17:00,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,505 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:17:00,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:17:00,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:17:00,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:17:00,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,653 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 [2020-10-19 20:17:00,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,687 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 20:17:00,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,691 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 20:17:00,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,694 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 [2020-10-19 20:17:00,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:17:00,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:17:00,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-19 20:17:00,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:17:00,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:17:00,807 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 [2020-10-19 20:17:00,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,840 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 [2020-10-19 20:17:00,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,866 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 [2020-10-19 20:17:00,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:17:00,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:17:00,900 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 [2020-10-19 20:17:00,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:00,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:00,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:00,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:00,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:00,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:00,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:00,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:00,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:01,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:17:01,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:17:01,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:17:01,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:17:01,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:17:01,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:17:01,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:17:01,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:17:01,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:17:01,022 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:17:01,022 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:17:01,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:17:01,035 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:17:01,035 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:17:01,036 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:17:01,070 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:17:01,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:17:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:17:01,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:17:01,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:17:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:17:01,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:17:01,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:17:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:17:01,427 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-19 20:17:01,428 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56 Second operand 3 states. [2020-10-19 20:17:01,489 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56. Second operand 3 states. Result 231 states and 342 transitions. Complement of second has 4 states. [2020-10-19 20:17:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-19 20:17:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:17:01,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2020-10-19 20:17:01,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 31 letters. [2020-10-19 20:17:01,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:17:01,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 78 letters. Loop has 31 letters. [2020-10-19 20:17:01,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:17:01,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 62 letters. [2020-10-19 20:17:01,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:17:01,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 342 transitions. [2020-10-19 20:17:01,500 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:17:01,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2020-10-19 20:17:01,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:17:01,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:17:01,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:17:01,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:17:01,502 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:17:01,502 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:17:01,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:17:01,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 20:17:01,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 20:17:01,503 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 20:17:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:17:01,503 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:17:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:17:01,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:17:01,504 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:17:01,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:17:01,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:17:01,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:17:01,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:17:01,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:17:01,505 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:17:01,505 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:17:01,505 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:17:01,505 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 20:17:01,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:17:01,506 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:17:01,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:17:01,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:17:01 BoogieIcfgContainer [2020-10-19 20:17:01,513 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:17:01,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:17:01,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:17:01,514 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:17:01,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:54" (3/4) ... [2020-10-19 20:17:01,518 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:17:01,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:17:01,520 INFO L168 Benchmark]: Toolchain (without parser) took 8153.34 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -58.3 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:17:01,520 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:17:01,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 20:17:01,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:17:01,522 INFO L168 Benchmark]: Boogie Preprocessor took 57.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:17:01,523 INFO L168 Benchmark]: RCFGBuilder took 765.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:17:01,524 INFO L168 Benchmark]: BuchiAutomizer took 6732.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:17:01,524 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:17:01,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 765.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6732.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.8 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.86 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 863 SDtfs, 197 SDslu, 1382 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital189 mio100 ax138 hnf108 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...