./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.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_lcr-var-start-time.4.ufo.BOUNDED-8.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 16ec299cb5102084fbe93ff55001f57ab34fc17c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:52:45,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 05:52:45,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 05:52:45,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 05:52:45,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 05:52:45,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 05:52:45,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 05:52:45,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 05:52:45,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 05:52:45,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 05:52:45,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 05:52:45,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 05:52:45,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 05:52:45,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 05:52:45,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 05:52:45,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 05:52:45,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 05:52:45,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 05:52:45,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 05:52:45,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 05:52:45,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 05:52:45,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 05:52:45,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 05:52:45,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 05:52:45,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 05:52:45,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 05:52:45,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 05:52:45,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 05:52:45,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 05:52:45,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 05:52:45,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 05:52:45,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 05:52:45,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 05:52:45,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 05:52:45,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 05:52:45,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 05:52:45,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 05:52:45,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 05:52:45,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 05:52:45,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 05:52:45,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 05:52:45,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-26 05:52:45,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 05:52:45,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 05:52:45,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 05:52:45,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 05:52:45,238 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 05:52:45,238 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 05:52:45,238 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 05:52:45,239 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 05:52:45,239 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 05:52:45,239 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 05:52:45,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 05:52:45,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 05:52:45,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 05:52:45,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 05:52:45,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 05:52:45,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 05:52:45,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 05:52:45,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 05:52:45,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 05:52:45,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 05:52:45,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 05:52:45,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 05:52:45,243 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 05:52:45,243 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 05:52:45,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 05:52:45,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 05:52:45,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 05:52:45,245 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 05:52:45,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 05:52:45,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 05:52:45,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 05:52:45,246 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 05:52:45,247 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 05:52:45,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16ec299cb5102084fbe93ff55001f57ab34fc17c [2020-10-26 05:52:45,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 05:52:45,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 05:52:45,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 05:52:45,749 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 05:52:45,750 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 05:52:45,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2020-10-26 05:52:45,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2b684a5/a7d5dbb149ec4a76b35704ed5a2afdb7/FLAG00f3b0590 [2020-10-26 05:52:46,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 05:52:46,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2020-10-26 05:52:46,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2b684a5/a7d5dbb149ec4a76b35704ed5a2afdb7/FLAG00f3b0590 [2020-10-26 05:52:46,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2b684a5/a7d5dbb149ec4a76b35704ed5a2afdb7 [2020-10-26 05:52:46,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 05:52:46,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 05:52:46,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 05:52:46,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 05:52:46,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 05:52:46,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:52:46" (1/1) ... [2020-10-26 05:52:46,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66085cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:46, skipping insertion in model container [2020-10-26 05:52:46,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 05:52:46" (1/1) ... [2020-10-26 05:52:46,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 05:52:47,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 05:52:47,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:52:47,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 05:52:47,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 05:52:47,356 INFO L208 MainTranslator]: Completed translation [2020-10-26 05:52:47,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47 WrapperNode [2020-10-26 05:52:47,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 05:52:47,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 05:52:47,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 05:52:47,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 05:52:47,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 05:52:47,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 05:52:47,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 05:52:47,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 05:52:47,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (1/1) ... [2020-10-26 05:52:47,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 05:52:47,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 05:52:47,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 05:52:47,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 05:52:47,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (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 05:52:47,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 05:52:47,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 05:52:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 05:52:47,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 05:52:48,385 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 05:52:48,386 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-10-26 05:52:48,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:52:48 BoogieIcfgContainer [2020-10-26 05:52:48,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 05:52:48,390 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 05:52:48,390 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 05:52:48,394 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 05:52:48,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:52:48,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 05:52:46" (1/3) ... [2020-10-26 05:52:48,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b5feadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:52:48, skipping insertion in model container [2020-10-26 05:52:48,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:52:48,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 05:52:47" (2/3) ... [2020-10-26 05:52:48,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b5feadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 05:52:48, skipping insertion in model container [2020-10-26 05:52:48,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 05:52:48,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:52:48" (3/3) ... [2020-10-26 05:52:48,400 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2020-10-26 05:52:48,458 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 05:52:48,459 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 05:52:48,459 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 05:52:48,459 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 05:52:48,459 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 05:52:48,460 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 05:52:48,460 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 05:52:48,460 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 05:52:48,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states. [2020-10-26 05:52:48,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-10-26 05:52:48,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:52:48,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:52:48,528 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:52:48,529 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] [2020-10-26 05:52:48,529 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 05:52:48,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states. [2020-10-26 05:52:48,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-10-26 05:52:48,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:52:48,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:52:48,539 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-26 05:52:48,539 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] [2020-10-26 05:52:48,548 INFO L794 eck$LassoCheckResult]: Stem: 74#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(47);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 11#L-1true havoc main_#res;havoc 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~ret36, main_#t~ret37, main_#t~post38, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~alive1~0 := main_#t~nondet20;havoc main_#t~nondet20;~id2~0 := main_#t~nondet21;havoc main_#t~nondet21;~st2~0 := main_#t~nondet22;havoc main_#t~nondet22;~send2~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode2~0 := main_#t~nondet24;havoc main_#t~nondet24;~alive2~0 := main_#t~nondet25;havoc main_#t~nondet25;~id3~0 := main_#t~nondet26;havoc main_#t~nondet26;~st3~0 := main_#t~nondet27;havoc main_#t~nondet27;~send3~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode3~0 := main_#t~nondet29;havoc main_#t~nondet29;~alive3~0 := main_#t~nondet30;havoc main_#t~nondet30;~id4~0 := main_#t~nondet31;havoc main_#t~nondet31;~st4~0 := main_#t~nondet32;havoc main_#t~nondet32;~send4~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode4~0 := main_#t~nondet34;havoc main_#t~nondet34;~alive4~0 := main_#t~nondet35;havoc main_#t~nondet35;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 27#L249true assume !(0 == ~r1~0);init_~tmp~0 := 0; 26#L249-1true init_#res := init_~tmp~0; 101#L346true main_#t~ret36 := init_#res;main_~i2~0 := main_#t~ret36;havoc main_#t~ret36; 4#L398true assume !(0 == main_~i2~0); 8#L398-2true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 45#L408-2true [2020-10-26 05:52:48,549 INFO L796 eck$LassoCheckResult]: Loop: 45#L408-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 88#L112true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 48#L116true assume !(node1_~m1~0 != ~nomsg~0); 46#L116-1true ~mode1~0 := 0; 100#L112-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 21#L147true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 25#L150true assume !(node2_~m2~0 != ~nomsg~0); 24#L150-1true ~mode2~0 := 0; 18#L147-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 96#L181true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 86#L184true assume !(node3_~m3~0 != ~nomsg~0); 85#L184-1true ~mode3~0 := 0; 82#L181-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 60#L215true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 41#L218true assume !(node4_~m4~0 != ~nomsg~0); 52#L218-1true ~mode4~0 := 0; 57#L215-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 6#L354true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 10#L354-1true check_#res := check_~tmp~1; 67#L366true main_#t~ret37 := check_#res;main_~c1~0 := main_#t~ret37;havoc main_#t~ret37;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 58#L435true assume !(0 == assert_~arg % 256); 42#L430true main_#t~post38 := main_~i2~0;main_~i2~0 := 1 + main_#t~post38;havoc main_#t~post38; 45#L408-2true [2020-10-26 05:52:48,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:48,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1938506578, now seen corresponding path program 1 times [2020-10-26 05:52:48,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:48,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821922979] [2020-10-26 05:52:48,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:52:48,802 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 05:52:48,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821922979] [2020-10-26 05:52:48,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:52:48,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:52:48,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407004588] [2020-10-26 05:52:48,810 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 05:52:48,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:48,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1584807127, now seen corresponding path program 1 times [2020-10-26 05:52:48,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:48,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310835810] [2020-10-26 05:52:48,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:52:48,976 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 05:52:48,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310835810] [2020-10-26 05:52:48,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:52:48,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:52:48,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942971145] [2020-10-26 05:52:48,979 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:52:48,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:52:48,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:52:49,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:52:49,003 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 5 states. [2020-10-26 05:52:49,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:52:49,133 INFO L93 Difference]: Finished difference Result 167 states and 268 transitions. [2020-10-26 05:52:49,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 05:52:49,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 268 transitions. [2020-10-26 05:52:49,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2020-10-26 05:52:49,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 158 states and 236 transitions. [2020-10-26 05:52:49,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 158 [2020-10-26 05:52:49,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 158 [2020-10-26 05:52:49,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 158 states and 236 transitions. [2020-10-26 05:52:49,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:52:49,156 INFO L691 BuchiCegarLoop]: Abstraction has 158 states and 236 transitions. [2020-10-26 05:52:49,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states and 236 transitions. [2020-10-26 05:52:49,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 94. [2020-10-26 05:52:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-26 05:52:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2020-10-26 05:52:49,197 INFO L714 BuchiCegarLoop]: Abstraction has 94 states and 133 transitions. [2020-10-26 05:52:49,198 INFO L594 BuchiCegarLoop]: Abstraction has 94 states and 133 transitions. [2020-10-26 05:52:49,198 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 05:52:49,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 133 transitions. [2020-10-26 05:52:49,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2020-10-26 05:52:49,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:52:49,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:52:49,213 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] [2020-10-26 05:52:49,213 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] [2020-10-26 05:52:49,214 INFO L794 eck$LassoCheckResult]: Stem: 349#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(47);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 309#L-1 havoc main_#res;havoc 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~ret36, main_#t~ret37, main_#t~post38, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~alive1~0 := main_#t~nondet20;havoc main_#t~nondet20;~id2~0 := main_#t~nondet21;havoc main_#t~nondet21;~st2~0 := main_#t~nondet22;havoc main_#t~nondet22;~send2~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode2~0 := main_#t~nondet24;havoc main_#t~nondet24;~alive2~0 := main_#t~nondet25;havoc main_#t~nondet25;~id3~0 := main_#t~nondet26;havoc main_#t~nondet26;~st3~0 := main_#t~nondet27;havoc main_#t~nondet27;~send3~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode3~0 := main_#t~nondet29;havoc main_#t~nondet29;~alive3~0 := main_#t~nondet30;havoc main_#t~nondet30;~id4~0 := main_#t~nondet31;havoc main_#t~nondet31;~st4~0 := main_#t~nondet32;havoc main_#t~nondet32;~send4~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode4~0 := main_#t~nondet34;havoc main_#t~nondet34;~alive4~0 := main_#t~nondet35;havoc main_#t~nondet35;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 310#L249 assume 0 == ~r1~0; 355#L250 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 358#L251 assume ~id1~0 >= 0; 298#L252 assume 0 == ~st1~0; 299#L253 assume ~send1~0 == ~id1~0; 339#L254 assume 0 == ~mode1~0 % 256; 311#L255 assume ~id2~0 >= 0; 312#L256 assume 0 == ~st2~0; 350#L257 assume ~send2~0 == ~id2~0; 367#L258 assume 0 == ~mode2~0 % 256; 324#L259 assume ~id3~0 >= 0; 325#L260 assume 0 == ~st3~0; 357#L261 assume ~send3~0 == ~id3~0; 360#L262 assume 0 == ~mode3~0 % 256; 302#L263 assume ~id4~0 >= 0; 303#L264 assume 0 == ~st4~0; 341#L265 assume ~send4~0 == ~id4~0; 313#L266 assume 0 == ~mode4~0 % 256; 314#L267 assume ~id1~0 != ~id2~0; 351#L268 assume ~id1~0 != ~id3~0; 368#L269 assume ~id1~0 != ~id4~0; 327#L270 assume ~id2~0 != ~id3~0; 328#L271 assume ~id2~0 != ~id4~0; 332#L272 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 353#L249-1 init_#res := init_~tmp~0; 354#L346 main_#t~ret36 := init_#res;main_~i2~0 := main_#t~ret36;havoc main_#t~ret36; 288#L398 assume !(0 == main_~i2~0); 289#L398-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 304#L408-2 [2020-10-26 05:52:49,214 INFO L796 eck$LassoCheckResult]: Loop: 304#L408-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 373#L112 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 375#L116 assume !(node1_~m1~0 != ~nomsg~0); 346#L116-1 ~mode1~0 := 0; 372#L112-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 342#L147 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 343#L150 assume !(node2_~m2~0 != ~nomsg~0); 348#L150-1 ~mode2~0 := 0; 336#L147-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 337#L181 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 370#L184 assume !(node3_~m3~0 != ~nomsg~0); 286#L184-1 ~mode3~0 := 0; 301#L181-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 320#L215 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 322#L218 assume !(node4_~m4~0 != ~nomsg~0); 291#L218-1 ~mode4~0 := 0; 315#L215-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 295#L354 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 297#L354-1 check_#res := check_~tmp~1; 305#L366 main_#t~ret37 := check_#res;main_~c1~0 := main_#t~ret37;havoc main_#t~ret37;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 316#L435 assume !(0 == assert_~arg % 256); 317#L430 main_#t~post38 := main_~i2~0;main_~i2~0 := 1 + main_#t~post38;havoc main_#t~post38; 304#L408-2 [2020-10-26 05:52:49,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash -805895157, now seen corresponding path program 1 times [2020-10-26 05:52:49,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:49,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000105728] [2020-10-26 05:52:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:52:49,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:52:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:52:49,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:52:49,350 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:52:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:49,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1584807127, now seen corresponding path program 2 times [2020-10-26 05:52:49,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:49,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114439116] [2020-10-26 05:52:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:52:49,442 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 05:52:49,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114439116] [2020-10-26 05:52:49,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:52:49,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 05:52:49,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095685365] [2020-10-26 05:52:49,444 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-26 05:52:49,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:52:49,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 05:52:49,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-26 05:52:49,446 INFO L87 Difference]: Start difference. First operand 94 states and 133 transitions. cyclomatic complexity: 40 Second operand 5 states. [2020-10-26 05:52:49,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:52:49,517 INFO L93 Difference]: Finished difference Result 97 states and 135 transitions. [2020-10-26 05:52:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 05:52:49,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 135 transitions. [2020-10-26 05:52:49,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2020-10-26 05:52:49,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 94 states and 131 transitions. [2020-10-26 05:52:49,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2020-10-26 05:52:49,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2020-10-26 05:52:49,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 131 transitions. [2020-10-26 05:52:49,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:52:49,523 INFO L691 BuchiCegarLoop]: Abstraction has 94 states and 131 transitions. [2020-10-26 05:52:49,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 131 transitions. [2020-10-26 05:52:49,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-26 05:52:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-26 05:52:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2020-10-26 05:52:49,530 INFO L714 BuchiCegarLoop]: Abstraction has 94 states and 131 transitions. [2020-10-26 05:52:49,531 INFO L594 BuchiCegarLoop]: Abstraction has 94 states and 131 transitions. [2020-10-26 05:52:49,531 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 05:52:49,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 131 transitions. [2020-10-26 05:52:49,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 64 [2020-10-26 05:52:49,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 05:52:49,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 05:52:49,534 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] [2020-10-26 05:52:49,534 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] [2020-10-26 05:52:49,534 INFO L794 eck$LassoCheckResult]: Stem: 552#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(47);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 512#L-1 havoc main_#res;havoc 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~ret36, main_#t~ret37, main_#t~post38, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~alive1~0 := main_#t~nondet20;havoc main_#t~nondet20;~id2~0 := main_#t~nondet21;havoc main_#t~nondet21;~st2~0 := main_#t~nondet22;havoc main_#t~nondet22;~send2~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode2~0 := main_#t~nondet24;havoc main_#t~nondet24;~alive2~0 := main_#t~nondet25;havoc main_#t~nondet25;~id3~0 := main_#t~nondet26;havoc main_#t~nondet26;~st3~0 := main_#t~nondet27;havoc main_#t~nondet27;~send3~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode3~0 := main_#t~nondet29;havoc main_#t~nondet29;~alive3~0 := main_#t~nondet30;havoc main_#t~nondet30;~id4~0 := main_#t~nondet31;havoc main_#t~nondet31;~st4~0 := main_#t~nondet32;havoc main_#t~nondet32;~send4~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode4~0 := main_#t~nondet34;havoc main_#t~nondet34;~alive4~0 := main_#t~nondet35;havoc main_#t~nondet35;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 513#L249 assume 0 == ~r1~0; 558#L250 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; 561#L251 assume ~id1~0 >= 0; 500#L252 assume 0 == ~st1~0; 501#L253 assume ~send1~0 == ~id1~0; 542#L254 assume 0 == ~mode1~0 % 256; 514#L255 assume ~id2~0 >= 0; 515#L256 assume 0 == ~st2~0; 553#L257 assume ~send2~0 == ~id2~0; 570#L258 assume 0 == ~mode2~0 % 256; 527#L259 assume ~id3~0 >= 0; 528#L260 assume 0 == ~st3~0; 560#L261 assume ~send3~0 == ~id3~0; 562#L262 assume 0 == ~mode3~0 % 256; 502#L263 assume ~id4~0 >= 0; 503#L264 assume 0 == ~st4~0; 543#L265 assume ~send4~0 == ~id4~0; 516#L266 assume 0 == ~mode4~0 % 256; 517#L267 assume ~id1~0 != ~id2~0; 554#L268 assume ~id1~0 != ~id3~0; 571#L269 assume ~id1~0 != ~id4~0; 530#L270 assume ~id2~0 != ~id3~0; 531#L271 assume ~id2~0 != ~id4~0; 535#L272 assume ~id3~0 != ~id4~0;init_~tmp~0 := 1; 556#L249-1 init_#res := init_~tmp~0; 557#L346 main_#t~ret36 := init_#res;main_~i2~0 := main_#t~ret36;havoc main_#t~ret36; 491#L398 assume !(0 == main_~i2~0); 492#L398-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~i2~0 := 0; 504#L408-2 [2020-10-26 05:52:49,535 INFO L796 eck$LassoCheckResult]: Loop: 504#L408-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 576#L112 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 578#L116 assume !(node1_~m1~0 != ~nomsg~0); 549#L116-1 ~mode1~0 := 0; 575#L112-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 545#L147 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 546#L150 assume !(node2_~m2~0 != ~nomsg~0); 551#L150-1 ~mode2~0 := 0; 539#L147-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 540#L181 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 573#L184 assume !(node3_~m3~0 != ~nomsg~0); 489#L184-1 ~mode3~0 := 0; 506#L181-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 523#L215 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 525#L218 assume !(node4_~m4~0 != ~nomsg~0); 494#L218-1 ~mode4~0 := 0; 518#L215-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 498#L354 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 499#L355 assume ~r1~0 < 4;check_~tmp~1 := 1; 507#L354-1 check_#res := check_~tmp~1; 508#L366 main_#t~ret37 := check_#res;main_~c1~0 := main_#t~ret37;havoc main_#t~ret37;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 519#L435 assume !(0 == assert_~arg % 256); 520#L430 main_#t~post38 := main_~i2~0;main_~i2~0 := 1 + main_#t~post38;havoc main_#t~post38; 504#L408-2 [2020-10-26 05:52:49,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:49,536 INFO L82 PathProgramCache]: Analyzing trace with hash -805895157, now seen corresponding path program 2 times [2020-10-26 05:52:49,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:49,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422845144] [2020-10-26 05:52:49,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:52:49,569 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:52:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:52:49,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:52:49,616 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:52:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:49,617 INFO L82 PathProgramCache]: Analyzing trace with hash 2027257535, now seen corresponding path program 1 times [2020-10-26 05:52:49,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:49,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309773800] [2020-10-26 05:52:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:52:49,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:52:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 05:52:49,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 05:52:49,651 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 05:52:49,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:49,652 INFO L82 PathProgramCache]: Analyzing trace with hash -2125885579, now seen corresponding path program 1 times [2020-10-26 05:52:49,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 05:52:49,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160234606] [2020-10-26 05:52:49,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 05:52:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:52:49,747 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 05:52:49,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160234606] [2020-10-26 05:52:49,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 05:52:49,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 05:52:49,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679126348] [2020-10-26 05:52:50,176 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-10-26 05:52:50,513 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-26 05:52:50,529 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:52:50,530 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:52:50,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:52:50,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:52:50,531 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 05:52:50,531 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:50,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:52:50,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:52:50,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2020-10-26 05:52:50,532 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:52:50,532 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:52:50,559 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 05:52:50,577 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 05:52:50,580 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 05:52:50,583 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 05:52:50,586 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 05:52:50,589 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 05:52:50,592 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 05:52:50,598 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 05:52:50,602 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 05:52:50,620 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 05:52:50,624 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 05:52:50,627 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 05:52:50,630 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 05:52:50,633 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 05:52:50,639 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 05:52:50,652 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 05:52:50,654 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 05:52:50,662 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 05:52:50,699 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 05:52:50,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:52:50,710 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 05:52:50,714 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 05:52:50,717 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 05:52:50,722 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 05:52:50,725 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 05:52:50,727 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 05:52:50,733 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 05:52:50,737 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 05:52:51,391 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:52:51,391 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 05:52:51,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 05:52:51,400 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:52:51,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 05:52:51,453 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:51,618 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 05:52:51,620 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 05:52:51,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 05:52:51,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 05:52:51,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 05:52:51,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 05:52:51,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:51,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 05:52:51,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 05:52:51,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2020-10-26 05:52:51,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 05:52:51,622 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 05:52:51,628 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 05:52:51,634 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 05:52:51,638 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 05:52:51,640 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 05:52:51,642 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 05:52:51,645 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 05:52:51,647 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 05:52:51,650 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 05:52:51,657 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 05:52:51,666 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 05:52:51,683 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 05:52:51,686 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 05:52:51,689 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 05:52:51,692 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 05:52:51,697 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 05:52:51,700 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 05:52:51,706 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 05:52:51,708 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 05:52:51,715 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 05:52:51,718 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 05:52:51,723 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 05:52:51,726 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 05:52:51,730 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 05:52:51,732 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 05:52:51,738 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 05:52:51,744 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 05:52:51,747 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 05:52:51,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 05:52:52,166 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-10-26 05:52:52,516 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-10-26 05:52:52,534 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 05:52:52,540 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,544 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 05:52:52,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:52,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,593 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 05:52:52,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:52:52,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:52:52,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,626 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 05:52:52,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:52,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 05:52:52,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-26 05:52:52,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,697 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 05:52:52,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:52,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,726 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 05:52:52,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:52,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,758 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 05:52:52,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:52:52,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:52:52,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,795 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 05:52:52,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:52,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,823 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 05:52:52,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:52:52,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:52:52,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,869 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 05:52:52,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,871 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-26 05:52:52,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,874 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-26 05:52:52,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:52,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,905 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 05:52:52,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:52:52,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:52:52,919 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 05:52:52,959 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 05:52:52,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:52,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:52,965 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 05:52:52,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:52,994 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 05:52:52,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:52,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:52,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:52,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:52,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 05:52:52,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 05:52:53,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:53,025 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 05:52:53,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 05:52:53,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 05:52:53,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 05:52:53,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 05:52:53,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 05:52:53,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 05:52:53,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 05:52:53,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 05:52:53,039 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-26 05:52:53,039 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 05:52:53,051 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-26 05:52:53,051 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-26 05:52:53,052 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 05:52:53,052 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2020-10-26 05:52:53,078 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-26 05:52:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 05:52:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:52:53,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-26 05:52:53,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:52:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 05:52:53,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-26 05:52:53,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 05:52:53,292 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 05:52:53,300 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 05:52:53,301 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 94 states and 131 transitions. cyclomatic complexity: 38 Second operand 3 states. [2020-10-26 05:52:53,367 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 94 states and 131 transitions. cyclomatic complexity: 38. Second operand 3 states. Result 158 states and 233 transitions. Complement of second has 4 states. [2020-10-26 05:52:53,368 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 05:52:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 05:52:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2020-10-26 05:52:53,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 131 transitions. Stem has 30 letters. Loop has 23 letters. [2020-10-26 05:52:53,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:52:53,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 131 transitions. Stem has 53 letters. Loop has 23 letters. [2020-10-26 05:52:53,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:52:53,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 131 transitions. Stem has 30 letters. Loop has 46 letters. [2020-10-26 05:52:53,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 05:52:53,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 233 transitions. [2020-10-26 05:52:53,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:52:53,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 0 states and 0 transitions. [2020-10-26 05:52:53,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:52:53,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:52:53,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:52:53,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:52:53,380 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:52:53,380 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:52:53,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 05:52:53,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 05:52:53,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 05:52:53,381 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-26 05:52:53,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 05:52:53,381 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-26 05:52:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 05:52:53,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-26 05:52:53,381 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:52:53,381 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 05:52:53,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 05:52:53,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 05:52:53,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 05:52:53,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 05:52:53,382 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:52:53,382 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:52:53,382 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 05:52:53,382 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 05:52:53,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 05:52:53,382 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 05:52:53,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 05:52:53,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 05:52:53 BoogieIcfgContainer [2020-10-26 05:52:53,389 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 05:52:53,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 05:52:53,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 05:52:53,390 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 05:52:53,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 05:52:48" (3/4) ... [2020-10-26 05:52:53,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 05:52:53,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 05:52:53,396 INFO L168 Benchmark]: Toolchain (without parser) took 6492.08 ms. Allocated memory was 46.1 MB in the beginning and 125.8 MB in the end (delta: 79.7 MB). Free memory was 23.6 MB in the beginning and 89.7 MB in the end (delta: -66.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-10-26 05:52:53,397 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.9 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:52:53,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.66 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 20.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-26 05:52:53,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.53 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.2 MB in the beginning and 40.0 MB in the end (delta: -19.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:52:53,399 INFO L168 Benchmark]: Boogie Preprocessor took 49.52 ms. Allocated memory is still 56.6 MB. Free memory was 40.0 MB in the beginning and 38.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 05:52:53,400 INFO L168 Benchmark]: RCFGBuilder took 864.99 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 28.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-10-26 05:52:53,401 INFO L168 Benchmark]: BuchiAutomizer took 4999.50 ms. Allocated memory was 56.6 MB in the beginning and 125.8 MB in the end (delta: 69.2 MB). Free memory was 27.9 MB in the beginning and 89.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-26 05:52:53,401 INFO L168 Benchmark]: Witness Printer took 4.44 ms. Allocated memory is still 125.8 MB. Free memory is still 89.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 05:52:53,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.9 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.66 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 20.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.53 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.2 MB in the beginning and 40.0 MB in the end (delta: -19.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.52 ms. Allocated memory is still 56.6 MB. Free memory was 40.0 MB in the beginning and 38.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 864.99 ms. Allocated memory is still 56.6 MB. Free memory was 37.9 MB in the beginning and 28.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4999.50 ms. Allocated memory was 56.6 MB in the beginning and 125.8 MB in the end (delta: 69.2 MB). Free memory was 27.9 MB in the beginning and 89.7 MB in the end (delta: -61.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.44 ms. Allocated memory is still 125.8 MB. Free memory is still 89.7 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 15 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 64 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 94 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 418 SDtfs, 237 SDslu, 930 SDs, 0 SdLazy, 36 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax133 hnf107 lsp24 ukn100 mio100 lsp100 div127 bol100 ite100 ukn100 eq178 hnf85 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...