./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.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 1ceeaa1422c78bdee5d7ad75191f17bbaecea7e1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 05:57:10,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 05:57:10,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 05:57:10,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 05:57:10,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 05:57:10,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 05:57:10,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 05:57:10,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 05:57:10,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 05:57:10,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 05:57:10,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 05:57:10,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 05:57:10,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 05:57:10,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 05:57:10,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 05:57:10,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 05:57:10,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 05:57:10,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 05:57:10,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 05:57:10,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 05:57:10,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 05:57:10,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 05:57:10,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 05:57:10,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 05:57:10,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 05:57:10,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 05:57:10,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 05:57:10,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 05:57:10,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 05:57:10,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 05:57:10,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 05:57:10,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 05:57:10,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 05:57:10,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 05:57:10,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 05:57:10,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 05:57:10,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 05:57:10,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 05:57:10,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 05:57:10,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 05:57:10,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 05:57:10,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 05:57:10,999 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 05:57:11,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 05:57:11,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 05:57:11,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 05:57:11,002 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 05:57:11,002 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 05:57:11,003 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 05:57:11,003 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 05:57:11,003 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 05:57:11,003 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 05:57:11,004 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 05:57:11,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 05:57:11,004 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 05:57:11,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 05:57:11,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 05:57:11,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 05:57:11,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 05:57:11,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 05:57:11,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 05:57:11,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 05:57:11,006 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 05:57:11,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 05:57:11,007 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 05:57:11,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 05:57:11,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 05:57:11,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 05:57:11,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 05:57:11,008 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 05:57:11,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 05:57:11,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 05:57:11,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 05:57:11,009 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 05:57:11,011 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 05:57:11,011 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ceeaa1422c78bdee5d7ad75191f17bbaecea7e1 [2020-10-26 05:57:11,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 05:57:11,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 05:57:11,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 05:57:11,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 05:57:11,467 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 05:57:11,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2020-10-26 05:57:11,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b86252e2/45512092347844aaa148f8af78e5e84b/FLAGaf2515104 [2020-10-26 05:57:12,208 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 05:57:12,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2020-10-26 05:57:12,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b86252e2/45512092347844aaa148f8af78e5e84b/FLAGaf2515104 [2020-10-26 05:57:12,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b86252e2/45512092347844aaa148f8af78e5e84b [2020-10-26 05:57:12,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 05:57:12,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 05:57:12,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 05:57:12,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 05:57:12,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 05:57:12,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:57:12" (1/1) ... [2020-10-26 05:57:12,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72930873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:12, skipping insertion in model container [2020-10-26 05:57:12,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:57:12" (1/1) ... [2020-10-26 05:57:12,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 05:57:12,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 05:57:13,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:57:13,038 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 05:57:13,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:57:13,144 INFO L208 MainTranslator]: Completed translation [2020-10-26 05:57:13,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13 WrapperNode [2020-10-26 05:57:13,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 05:57:13,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 05:57:13,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 05:57:13,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 05:57:13,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 05:57:13,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 05:57:13,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 05:57:13,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 05:57:13,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... [2020-10-26 05:57:13,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 05:57:13,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 05:57:13,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 05:57:13,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 05:57:13,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 05:57:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 05:57:13,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 05:57:13,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 05:57:14,344 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 05:57:14,344 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-10-26 05:57:14,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:57:14 BoogieIcfgContainer [2020-10-26 05:57:14,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 05:57:14,348 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 05:57:14,348 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 05:57:14,352 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 05:57:14,353 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:57:14,353 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 05:57:12" (1/3) ... [2020-10-26 05:57:14,355 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b962983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:57:14, skipping insertion in model container [2020-10-26 05:57:14,355 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:57:14,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:57:13" (2/3) ... [2020-10-26 05:57:14,356 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b962983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:57:14, skipping insertion in model container [2020-10-26 05:57:14,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:57:14,356 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:57:14" (3/3) ... [2020-10-26 05:57:14,358 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2020-10-26 05:57:14,409 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 05:57:14,410 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 05:57:14,410 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 05:57:14,410 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 05:57:14,411 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 05:57:14,411 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 05:57:14,411 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 05:57:14,411 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 05:57:14,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states. [2020-10-26 05:57:14,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2020-10-26 05:57:14,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:57:14,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:57:14,473 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] [2020-10-26 05:57:14,474 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:57:14,474 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 05:57:14,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states. [2020-10-26 05:57:14,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2020-10-26 05:57:14,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:57:14,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:57:14,486 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] [2020-10-26 05:57:14,486 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:57:14,496 INFO L794 eck$LassoCheckResult]: Stem: 99#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(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 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]; 11#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 63#L306true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 47#L309-1true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 115#L319true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 98#L322-1true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 9#L332true assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 128#L335-1true init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 39#L345true assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 35#L348-1true init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 86#L358true assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 62#L361-1true init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 120#L371true assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 114#L374-1true init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 24#L384true assume !(~id1~0 != ~id2~0);init_~tmp___5~0 := 0; 27#L384-1true init_#res := init_~tmp___5~0; 19#L505true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 145#L68true assume !(0 == assume_abort_if_not_~cond); 50#L67true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 124#L616-2true [2020-10-26 05:57:14,497 INFO L796 eck$LassoCheckResult]: Loop: 124#L616-2true assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 122#L129true assume !(0 != ~mode1~0 % 256); 69#L157true assume !(~r1~0 < 2); 68#L157-1true ~mode1~0 := 1; 117#L129-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 28#L180true assume !(0 != ~mode2~0 % 256); 7#L208true assume !(~r2~0 < 2); 3#L208-1true ~mode2~0 := 1; 20#L180-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 97#L231true assume !(0 != ~mode3~0 % 256); 89#L259true assume !(~r3~0 < 2); 85#L259-1true ~mode3~0 := 1; 93#L231-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 45#L513true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 46#L513-1true check_#res := check_~tmp~1; 123#L561true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 143#L646true assume !(0 == assert_~arg % 256); 111#L641true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 124#L616-2true [2020-10-26 05:57:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:14,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1744745224, now seen corresponding path program 1 times [2020-10-26 05:57:14,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:14,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122600641] [2020-10-26 05:57:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:14,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122600641] [2020-10-26 05:57:14,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:57:14,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:57:14,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752000463] [2020-10-26 05:57:14,986 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:57:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:14,989 INFO L82 PathProgramCache]: Analyzing trace with hash 339208178, now seen corresponding path program 1 times [2020-10-26 05:57:14,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:14,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285891552] [2020-10-26 05:57:14,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:15,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285891552] [2020-10-26 05:57:15,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:57:15,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:57:15,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909953135] [2020-10-26 05:57:15,155 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:57:15,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:57:15,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:57:15,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:57:15,177 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 5 states. [2020-10-26 05:57:15,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:57:15,298 INFO L93 Difference]: Finished difference Result 146 states and 247 transitions. [2020-10-26 05:57:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 05:57:15,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 247 transitions. [2020-10-26 05:57:15,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:57:15,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 137 states and 231 transitions. [2020-10-26 05:57:15,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2020-10-26 05:57:15,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2020-10-26 05:57:15,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 231 transitions. [2020-10-26 05:57:15,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:57:15,318 INFO L691 BuchiCegarLoop]: Abstraction has 137 states and 231 transitions. [2020-10-26 05:57:15,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 231 transitions. [2020-10-26 05:57:15,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-26 05:57:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-26 05:57:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 231 transitions. [2020-10-26 05:57:15,360 INFO L714 BuchiCegarLoop]: Abstraction has 137 states and 231 transitions. [2020-10-26 05:57:15,360 INFO L594 BuchiCegarLoop]: Abstraction has 137 states and 231 transitions. [2020-10-26 05:57:15,360 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 05:57:15,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 231 transitions. [2020-10-26 05:57:15,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:57:15,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:57:15,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:57:15,365 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] [2020-10-26 05:57:15,365 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] [2020-10-26 05:57:15,365 INFO L794 eck$LassoCheckResult]: Stem: 434#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(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 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]; 325#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 326#L306 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 324#L309-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 386#L319 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 374#L322-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 320#L332 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 321#L335-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 372#L345 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 366#L348-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 367#L358 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 355#L361-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 410#L371 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 406#L374-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 350#L384 assume !(~id1~0 != ~id2~0);init_~tmp___5~0 := 0; 310#L384-1 init_#res := init_~tmp___5~0; 342#L505 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 343#L68 assume !(0 == assume_abort_if_not_~cond); 392#L67 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 393#L616-2 [2020-10-26 05:57:15,366 INFO L796 eck$LassoCheckResult]: Loop: 393#L616-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 438#L129 assume !(0 != ~mode1~0 % 256); 415#L157 assume !(~r1~0 < 2); 338#L157-1 ~mode1~0 := 1; 414#L129-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 356#L180 assume !(0 != ~mode2~0 % 256); 316#L208 assume !(~r2~0 < 2); 307#L208-1 ~mode2~0 := 1; 308#L180-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 344#L231 assume !(0 != ~mode3~0 % 256); 430#L259 assume !(~r3~0 < 2); 329#L259-1 ~mode3~0 := 1; 428#L231-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 380#L513 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 381#L514 assume ~st1~0 + ~nl1~0 <= 1; 413#L515 assume ~st2~0 + ~nl2~0 <= 1; 340#L516 assume ~st3~0 + ~nl3~0 <= 1; 341#L517 assume ~r1~0 >= 2; 387#L521 assume ~r1~0 < 2; 389#L526 assume ~r1~0 >= 2; 331#L531 assume ~r1~0 < 2;check_~tmp~1 := 1; 377#L513-1 check_#res := check_~tmp~1; 385#L561 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 439#L646 assume !(0 == assert_~arg % 256); 436#L641 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 393#L616-2 [2020-10-26 05:57:15,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:15,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1744745224, now seen corresponding path program 2 times [2020-10-26 05:57:15,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:15,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178672196] [2020-10-26 05:57:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:15,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178672196] [2020-10-26 05:57:15,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:57:15,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:57:15,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903765435] [2020-10-26 05:57:15,439 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:57:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:15,440 INFO L82 PathProgramCache]: Analyzing trace with hash -191057990, now seen corresponding path program 1 times [2020-10-26 05:57:15,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:15,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420245155] [2020-10-26 05:57:15,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:15,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420245155] [2020-10-26 05:57:15,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:57:15,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:57:15,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706373499] [2020-10-26 05:57:15,494 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:57:15,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:57:15,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:57:15,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:57:15,498 INFO L87 Difference]: Start difference. First operand 137 states and 231 transitions. cyclomatic complexity: 95 Second operand 5 states. [2020-10-26 05:57:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:57:15,618 INFO L93 Difference]: Finished difference Result 140 states and 233 transitions. [2020-10-26 05:57:15,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 05:57:15,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 233 transitions. [2020-10-26 05:57:15,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:57:15,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 137 states and 201 transitions. [2020-10-26 05:57:15,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2020-10-26 05:57:15,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2020-10-26 05:57:15,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 201 transitions. [2020-10-26 05:57:15,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:57:15,626 INFO L691 BuchiCegarLoop]: Abstraction has 137 states and 201 transitions. [2020-10-26 05:57:15,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 201 transitions. [2020-10-26 05:57:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-26 05:57:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-26 05:57:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 201 transitions. [2020-10-26 05:57:15,635 INFO L714 BuchiCegarLoop]: Abstraction has 137 states and 201 transitions. [2020-10-26 05:57:15,635 INFO L594 BuchiCegarLoop]: Abstraction has 137 states and 201 transitions. [2020-10-26 05:57:15,635 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 05:57:15,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 201 transitions. [2020-10-26 05:57:15,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-26 05:57:15,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:57:15,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:57:15,640 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, 1] [2020-10-26 05:57:15,640 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] [2020-10-26 05:57:15,640 INFO L794 eck$LassoCheckResult]: Stem: 724#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(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 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]; 614#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 615#L306 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 613#L309-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 676#L319 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 664#L322-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 609#L332 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 610#L335-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 662#L345 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 656#L348-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 658#L358 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 644#L361-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 700#L371 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 696#L374-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 639#L384 assume ~id1~0 != ~id2~0; 640#L385 assume ~id1~0 != ~id3~0; 694#L386 assume ~id2~0 != ~id3~0; 605#L387 assume ~id1~0 >= 0; 606#L388 assume ~id2~0 >= 0; 686#L389 assume ~id3~0 >= 0; 687#L390 assume 0 == ~r1~0; 716#L391 assume 0 == ~r2~0; 651#L392 assume 0 == ~r3~0; 652#L393 assume 0 != init_~r122~0 % 256; 709#L394 assume 0 != init_~r132~0 % 256; 637#L395 assume 0 != init_~r212~0 % 256; 638#L396 assume 0 != init_~r232~0 % 256; 693#L397 assume 0 != init_~r312~0 % 256; 601#L398 assume 0 != init_~r322~0 % 256; 602#L399 assume ~max1~0 == ~id1~0; 684#L400 assume ~max2~0 == ~id2~0; 685#L401 assume ~max3~0 == ~id3~0; 715#L402 assume 0 == ~st1~0; 648#L403 assume 0 == ~st2~0; 649#L404 assume 0 == ~st3~0; 707#L405 assume 0 == ~nl1~0; 635#L406 assume 0 == ~nl2~0; 636#L407 assume 0 == ~nl3~0; 690#L408 assume 0 == ~mode1~0 % 256; 599#L409 assume 0 == ~mode2~0 % 256; 600#L410 assume 0 == ~mode3~0 % 256; 680#L411 assume 0 != ~newmax1~0 % 256; 681#L412 assume 0 != ~newmax2~0 % 256; 714#L413 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0 := 1; 645#L384-1 init_#res := init_~tmp___5~0; 631#L505 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 632#L68 assume !(0 == assume_abort_if_not_~cond); 682#L67 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 683#L616-2 [2020-10-26 05:57:15,641 INFO L796 eck$LassoCheckResult]: Loop: 683#L616-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 728#L129 assume !(0 != ~mode1~0 % 256); 705#L157 assume !(~r1~0 < 2); 627#L157-1 ~mode1~0 := 1; 704#L129-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 646#L180 assume !(0 != ~mode2~0 % 256); 603#L208 assume !(~r2~0 < 2); 597#L208-1 ~mode2~0 := 1; 598#L180-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 633#L231 assume !(0 != ~mode3~0 % 256); 719#L259 assume !(~r3~0 < 2); 618#L259-1 ~mode3~0 := 1; 718#L231-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 673#L513 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 674#L514 assume ~st1~0 + ~nl1~0 <= 1; 703#L515 assume ~st2~0 + ~nl2~0 <= 1; 629#L516 assume ~st3~0 + ~nl3~0 <= 1; 630#L517 assume ~r1~0 >= 2; 677#L521 assume ~r1~0 < 2; 679#L526 assume ~r1~0 >= 2; 620#L531 assume ~r1~0 < 2;check_~tmp~1 := 1; 667#L513-1 check_#res := check_~tmp~1; 675#L561 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 729#L646 assume !(0 == assert_~arg % 256); 726#L641 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 683#L616-2 [2020-10-26 05:57:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:15,642 INFO L82 PathProgramCache]: Analyzing trace with hash 431062094, now seen corresponding path program 1 times [2020-10-26 05:57:15,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:15,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061344062] [2020-10-26 05:57:15,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:57:15,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:57:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:57:15,790 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:57:15,851 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:57:15,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:15,852 INFO L82 PathProgramCache]: Analyzing trace with hash -191057990, now seen corresponding path program 2 times [2020-10-26 05:57:15,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:15,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617066223] [2020-10-26 05:57:15,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:15,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617066223] [2020-10-26 05:57:15,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:57:15,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:57:15,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7622192] [2020-10-26 05:57:15,887 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:57:15,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:57:15,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 05:57:15,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 05:57:15,888 INFO L87 Difference]: Start difference. First operand 137 states and 201 transitions. cyclomatic complexity: 65 Second operand 3 states. [2020-10-26 05:57:15,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:57:15,947 INFO L93 Difference]: Finished difference Result 195 states and 288 transitions. [2020-10-26 05:57:15,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 05:57:15,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 288 transitions. [2020-10-26 05:57:15,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2020-10-26 05:57:15,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 288 transitions. [2020-10-26 05:57:15,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2020-10-26 05:57:15,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2020-10-26 05:57:15,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 288 transitions. [2020-10-26 05:57:15,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:57:15,956 INFO L691 BuchiCegarLoop]: Abstraction has 195 states and 288 transitions. [2020-10-26 05:57:15,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 288 transitions. [2020-10-26 05:57:15,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-10-26 05:57:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-10-26 05:57:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 288 transitions. [2020-10-26 05:57:15,967 INFO L714 BuchiCegarLoop]: Abstraction has 195 states and 288 transitions. [2020-10-26 05:57:15,967 INFO L594 BuchiCegarLoop]: Abstraction has 195 states and 288 transitions. [2020-10-26 05:57:15,968 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 05:57:15,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 288 transitions. [2020-10-26 05:57:15,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2020-10-26 05:57:15,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:57:15,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:57:15,972 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, 1] [2020-10-26 05:57:15,972 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] [2020-10-26 05:57:15,972 INFO L794 eck$LassoCheckResult]: Stem: 1067#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(41);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 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]; 952#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 953#L306 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 951#L309-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1016#L319 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1003#L322-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 947#L332 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 948#L335-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1001#L345 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 994#L348-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 995#L358 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 982#L361-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1039#L371 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 1035#L374-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 977#L384 assume ~id1~0 != ~id2~0; 978#L385 assume ~id1~0 != ~id3~0; 1033#L386 assume ~id2~0 != ~id3~0; 941#L387 assume ~id1~0 >= 0; 942#L388 assume ~id2~0 >= 0; 1025#L389 assume ~id3~0 >= 0; 1026#L390 assume 0 == ~r1~0; 1058#L391 assume 0 == ~r2~0; 988#L392 assume 0 == ~r3~0; 989#L393 assume 0 != init_~r122~0 % 256; 1050#L394 assume 0 != init_~r132~0 % 256; 975#L395 assume 0 != init_~r212~0 % 256; 976#L396 assume 0 != init_~r232~0 % 256; 1030#L397 assume 0 != init_~r312~0 % 256; 939#L398 assume 0 != init_~r322~0 % 256; 940#L399 assume ~max1~0 == ~id1~0; 1021#L400 assume ~max2~0 == ~id2~0; 1022#L401 assume ~max3~0 == ~id3~0; 1057#L402 assume 0 == ~st1~0; 986#L403 assume 0 == ~st2~0; 987#L404 assume 0 == ~st3~0; 1048#L405 assume 0 == ~nl1~0; 972#L406 assume 0 == ~nl2~0; 973#L407 assume 0 == ~nl3~0; 1027#L408 assume 0 == ~mode1~0 % 256; 937#L409 assume 0 == ~mode2~0 % 256; 938#L410 assume 0 == ~mode3~0 % 256; 1019#L411 assume 0 != ~newmax1~0 % 256; 1020#L412 assume 0 != ~newmax2~0 % 256; 1056#L413 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0 := 1; 983#L384-1 init_#res := init_~tmp___5~0; 969#L505 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 970#L68 assume !(0 == assume_abort_if_not_~cond); 1023#L67 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 1024#L616-2 [2020-10-26 05:57:15,973 INFO L796 eck$LassoCheckResult]: Loop: 1024#L616-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1091#L129 assume !(0 != ~mode1~0 % 256); 1089#L157 assume ~r1~0 < 2; 979#L158 assume !(0 != ~ep12~0 % 256); 974#L158-1 assume !(0 != ~ep13~0 % 256); 965#L157-1 ~mode1~0 := 1; 1045#L129-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1119#L180 assume !(0 != ~mode2~0 % 256); 1115#L208 assume !(~r2~0 < 2); 1108#L208-1 ~mode2~0 := 1; 1107#L180-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1106#L231 assume !(0 != ~mode3~0 % 256); 1099#L259 assume !(~r3~0 < 2); 1097#L259-1 ~mode3~0 := 1; 1095#L231-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1093#L513 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 1092#L514 assume ~st1~0 + ~nl1~0 <= 1; 1090#L515 assume ~st2~0 + ~nl2~0 <= 1; 1088#L516 assume ~st3~0 + ~nl3~0 <= 1; 1087#L517 assume !(~r1~0 >= 2); 1070#L520 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 1071#L521 assume ~r1~0 < 2; 1086#L526 assume !(~r1~0 >= 2); 957#L530 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 958#L531 assume ~r1~0 < 2;check_~tmp~1 := 1; 1014#L513-1 check_#res := check_~tmp~1; 1015#L561 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1096#L646 assume !(0 == assert_~arg % 256); 1094#L641 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 1024#L616-2 [2020-10-26 05:57:15,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:15,973 INFO L82 PathProgramCache]: Analyzing trace with hash 431062094, now seen corresponding path program 2 times [2020-10-26 05:57:15,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:15,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677689331] [2020-10-26 05:57:15,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:57:16,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:57:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:57:16,055 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:57:16,109 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:57:16,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:16,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1983288613, now seen corresponding path program 1 times [2020-10-26 05:57:16,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:16,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501506158] [2020-10-26 05:57:16,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:57:16,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:57:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:57:16,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:57:16,160 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:57:16,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:16,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2100705272, now seen corresponding path program 1 times [2020-10-26 05:57:16,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:57:16,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810619701] [2020-10-26 05:57:16,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:57:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:16,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810619701] [2020-10-26 05:57:16,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:57:16,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:57:16,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377810264] [2020-10-26 05:57:16,660 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-10-26 05:57:17,051 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2020-10-26 05:57:17,064 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:57:17,064 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:57:17,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:57:17,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:57:17,065 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:57:17,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:17,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:57:17,065 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:57:17,065 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2020-10-26 05:57:17,066 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:57:17,066 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:57:17,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:17,958 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:57:17,959 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 [2020-10-26 05:57:17,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:57:17,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 05:57:17,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 05:57:17,983 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~ep12~0=0} Honda state: {~ep12~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:18,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:57:18,012 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:18,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:57:18,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 05:57:18,272 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 05:57:18,274 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:57:18,274 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:57:18,274 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:57:18,281 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:57:18,281 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:57:18,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:18,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:57:18,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:57:18,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2020-10-26 05:57:18,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:57:18,281 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:57:18,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:18,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:57:19,090 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:57:19,096 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-26 05:57:19,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,119 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) [2020-10-26 05:57:19,163 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,172 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) [2020-10-26 05:57:19,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:57:19,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:57:19,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,292 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 [2020-10-26 05:57:19,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,356 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:57:19,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,570 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) [2020-10-26 05:57:19,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:57:19,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-26 05:57:19,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:57:19,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:57:19,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:57:19,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:57:19,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:57:19,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:57:19,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:57:19,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:57:19,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:57:19,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,934 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:57:19,935 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:57:19,946 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:57:19,946 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:57:19,947 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:57:19,948 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 11 Supporting invariants [] [2020-10-26 05:57:19,981 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:57:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:57:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:20,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 05:57:20,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:57:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:57:20,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:57:20,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:57:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 05:57:20,249 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-26 05:57:20,250 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 195 states and 288 transitions. cyclomatic complexity: 94 Second operand 3 states. [2020-10-26 05:57:20,350 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 195 states and 288 transitions. cyclomatic complexity: 94. Second operand 3 states. Result 329 states and 498 transitions. Complement of second has 4 states. [2020-10-26 05:57:20,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-26 05:57:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 05:57:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-10-26 05:57:20,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 48 letters. Loop has 29 letters. [2020-10-26 05:57:20,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:57:20,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 77 letters. Loop has 29 letters. [2020-10-26 05:57:20,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:57:20,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 48 letters. Loop has 58 letters. [2020-10-26 05:57:20,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:57:20,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 329 states and 498 transitions. [2020-10-26 05:57:20,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:57:20,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 329 states to 0 states and 0 transitions. [2020-10-26 05:57:20,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:57:20,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:57:20,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:57:20,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:57:20,368 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:57:20,368 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:57:20,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:57:20,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 05:57:20,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 05:57:20,369 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 05:57:20,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:57:20,370 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 05:57:20,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 05:57:20,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 05:57:20,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:57:20,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 05:57:20,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:57:20,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:57:20,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:57:20,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:57:20,371 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:57:20,371 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:57:20,371 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:57:20,371 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 05:57:20,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 05:57:20,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:57:20,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 05:57:20,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 05:57:20 BoogieIcfgContainer [2020-10-26 05:57:20,379 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 05:57:20,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 05:57:20,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 05:57:20,380 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 05:57:20,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:57:14" (3/4) ... [2020-10-26 05:57:20,384 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 05:57:20,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 05:57:20,386 INFO L168 Benchmark]: Toolchain (without parser) took 7808.01 ms. Allocated memory was 52.4 MB in the beginning and 119.5 MB in the end (delta: 67.1 MB). Free memory was 28.9 MB in the beginning and 79.8 MB in the end (delta: -50.9 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-10-26 05:57:20,387 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 21.5 MB in the beginning and 21.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:57:20,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.95 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 36.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-10-26 05:57:20,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.25 ms. Allocated memory is still 52.4 MB. Free memory was 36.8 MB in the beginning and 34.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:57:20,395 INFO L168 Benchmark]: Boogie Preprocessor took 92.81 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 31.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:57:20,396 INFO L168 Benchmark]: RCFGBuilder took 1002.87 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 31.4 MB in the beginning and 40.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-10-26 05:57:20,401 INFO L168 Benchmark]: BuchiAutomizer took 6031.15 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 40.5 MB in the beginning and 79.8 MB in the end (delta: -39.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-26 05:57:20,402 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 119.5 MB. Free memory is still 79.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:57:20,407 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 41.9 MB. Free memory was 21.5 MB in the beginning and 21.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.95 ms. Allocated memory is still 52.4 MB. Free memory was 28.3 MB in the beginning and 36.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.25 ms. Allocated memory is still 52.4 MB. Free memory was 36.8 MB in the beginning and 34.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.81 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 31.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1002.87 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 31.4 MB in the beginning and 40.5 MB in the end (delta: -9.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6031.15 ms. Allocated memory was 67.1 MB in the beginning and 119.5 MB in the end (delta: 52.4 MB). Free memory was 40.5 MB in the beginning and 79.8 MB in the end (delta: -39.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.50 ms. Allocated memory is still 119.5 MB. Free memory is still 79.8 MB. There was no memory consumed. Max. memory is 16.1 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 + 11 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 5.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.1s. 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 195 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 869 SDtfs, 403 SDslu, 1669 SDs, 0 SdLazy, 45 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax125 hnf105 lsp20 ukn100 mio100 lsp100 div123 bol100 ite100 ukn100 eq182 hnf86 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...