./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ed84bee4308b8cf5be51a33ec471886cd45cc40 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:22:46,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:22:46,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:22:46,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:22:46,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:22:46,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:22:46,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:22:46,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:22:46,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:22:46,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:22:46,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:22:46,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:22:46,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:22:46,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:22:46,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:22:46,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:22:46,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:22:46,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:22:46,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:22:46,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:22:46,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:22:46,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:22:46,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:22:46,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:22:46,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:22:46,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:22:46,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:22:46,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:22:46,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:22:46,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:22:46,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:22:46,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:22:46,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:22:46,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:22:46,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:22:46,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:22:46,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:22:46,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:22:46,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:22:46,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:22:46,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:22:46,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 22:22:46,232 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:22:46,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:22:46,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:22:46,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:22:46,235 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:22:46,235 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 22:22:46,235 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 22:22:46,236 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 22:22:46,236 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 22:22:46,236 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 22:22:46,236 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 22:22:46,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:22:46,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:22:46,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:22:46,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:22:46,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 22:22:46,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 22:22:46,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 22:22:46,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:22:46,238 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 22:22:46,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:22:46,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 22:22:46,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:22:46,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:22:46,240 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 22:22:46,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:22:46,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:22:46,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:22:46,241 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 22:22:46,242 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 22:22:46,242 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:/tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ed84bee4308b8cf5be51a33ec471886cd45cc40 [2020-11-29 22:22:46,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:22:46,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:22:46,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:22:46,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:22:46,591 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:22:46,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i [2020-11-29 22:22:46,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/data/6b9c11acd/fde15b492cfb41339b9415a006aeb32f/FLAG5ebedf63b [2020-11-29 22:22:47,373 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:22:47,373 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i [2020-11-29 22:22:47,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/data/6b9c11acd/fde15b492cfb41339b9415a006aeb32f/FLAG5ebedf63b [2020-11-29 22:22:47,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/data/6b9c11acd/fde15b492cfb41339b9415a006aeb32f [2020-11-29 22:22:47,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:22:47,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:22:47,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:22:47,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:22:47,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:22:47,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:22:47" (1/1) ... [2020-11-29 22:22:47,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596673fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:47, skipping insertion in model container [2020-11-29 22:22:47,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:22:47" (1/1) ... [2020-11-29 22:22:47,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:22:47,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:22:48,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:22:48,133 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:22:48,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:22:48,279 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:22:48,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48 WrapperNode [2020-11-29 22:22:48,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:22:48,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:22:48,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:22:48,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:22:48,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:22:48,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:22:48,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:22:48,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:22:48,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... [2020-11-29 22:22:48,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:22:48,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:22:48,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:22:48,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:22:48,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:22:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:22:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:22:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:22:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:22:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:22:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:22:49,055 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:22:49,056 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 22:22:49,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:22:49 BoogieIcfgContainer [2020-11-29 22:22:49,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:22:49,058 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 22:22:49,059 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 22:22:49,062 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 22:22:49,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:22:49,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 10:22:47" (1/3) ... [2020-11-29 22:22:49,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e970b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:22:49, skipping insertion in model container [2020-11-29 22:22:49,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:22:49,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:22:48" (2/3) ... [2020-11-29 22:22:49,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e970b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:22:49, skipping insertion in model container [2020-11-29 22:22:49,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:22:49,066 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:22:49" (3/3) ... [2020-11-29 22:22:49,067 INFO L373 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca.i [2020-11-29 22:22:49,117 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 22:22:49,136 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 22:22:49,137 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 22:22:49,137 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:22:49,137 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:22:49,137 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 22:22:49,137 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:22:49,137 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 22:22:49,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2020-11-29 22:22:49,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:49,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:49,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:49,178 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:49,178 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:49,178 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 22:22:49,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states. [2020-11-29 22:22:49,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:49,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:49,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:49,182 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:49,182 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:49,190 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 22#L553true assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 25#L553-2true call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 17#L558true assume !(main_#t~mem8 > 0);havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post12 := main_#t~mem11;call write~int(main_#t~post12 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post12;havoc main_#t~mem11; 19#L558-2true call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 9#L563true assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 13#L563-2true call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 3#L568true assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 5#L568-2true call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 24#L573true assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 27#L573-2true call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 18#L578true assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 21#L578-2true call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 11#L583true assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 16#L583-2true call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4#L588true assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 6#L588-2true call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 26#L593true assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 10#L598-4true [2020-11-29 22:22:49,191 INFO L796 eck$LassoCheckResult]: Loop: 10#L598-4true call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 20#L598true assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 8#L598-2true assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 10#L598-4true [2020-11-29 22:22:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash 187436106, now seen corresponding path program 1 times [2020-11-29 22:22:49,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:49,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847656681] [2020-11-29 22:22:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:49,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847656681] [2020-11-29 22:22:49,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:49,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:22:49,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962209526] [2020-11-29 22:22:49,521 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:49,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:49,523 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 1 times [2020-11-29 22:22:49,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:49,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24863602] [2020-11-29 22:22:49,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:49,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:49,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:49,650 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:50,055 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:50,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:22:50,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:22:50,205 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 5 states. [2020-11-29 22:22:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:50,585 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2020-11-29 22:22:50,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:22:50,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 66 transitions. [2020-11-29 22:22:50,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:50,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 58 transitions. [2020-11-29 22:22:50,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2020-11-29 22:22:50,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2020-11-29 22:22:50,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 58 transitions. [2020-11-29 22:22:50,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:50,609 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 58 transitions. [2020-11-29 22:22:50,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 58 transitions. [2020-11-29 22:22:50,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2020-11-29 22:22:50,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-29 22:22:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-11-29 22:22:50,646 INFO L714 BuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-11-29 22:22:50,647 INFO L594 BuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-11-29 22:22:50,647 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 22:22:50,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 48 transitions. [2020-11-29 22:22:50,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:50,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:50,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:50,658 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:50,658 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:50,659 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 107#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 108#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 109#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 123#L558 assume !(main_#t~mem8 > 0);havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post12 := main_#t~mem11;call write~int(main_#t~post12 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post12;havoc main_#t~mem11; 91#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 99#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 113#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 93#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 94#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 102#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 115#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 118#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 103#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 104#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 117#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 97#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 98#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 105#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 106#L598-4 [2020-11-29 22:22:50,660 INFO L796 eck$LassoCheckResult]: Loop: 106#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 100#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 101#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 106#L598-4 [2020-11-29 22:22:50,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:50,661 INFO L82 PathProgramCache]: Analyzing trace with hash 776646, now seen corresponding path program 1 times [2020-11-29 22:22:50,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:50,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921733166] [2020-11-29 22:22:50,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:50,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921733166] [2020-11-29 22:22:50,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:50,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:22:50,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562386106] [2020-11-29 22:22:50,764 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:50,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:50,765 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 2 times [2020-11-29 22:22:50,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:50,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134037621] [2020-11-29 22:22:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:50,805 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:50,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:50,872 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:51,062 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:51,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:51,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:22:51,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:22:51,134 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. cyclomatic complexity: 15 Second operand 4 states. [2020-11-29 22:22:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:51,243 INFO L93 Difference]: Finished difference Result 34 states and 47 transitions. [2020-11-29 22:22:51,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:22:51,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2020-11-29 22:22:51,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:51,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 47 transitions. [2020-11-29 22:22:51,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2020-11-29 22:22:51,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2020-11-29 22:22:51,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 47 transitions. [2020-11-29 22:22:51,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:51,249 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2020-11-29 22:22:51,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 47 transitions. [2020-11-29 22:22:51,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-11-29 22:22:51,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-29 22:22:51,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2020-11-29 22:22:51,262 INFO L714 BuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2020-11-29 22:22:51,263 INFO L594 BuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2020-11-29 22:22:51,263 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 22:22:51,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 47 transitions. [2020-11-29 22:22:51,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:51,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:51,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:51,270 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:51,271 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:51,271 INFO L794 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 182#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 183#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 185#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 167#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 168#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 188#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 189#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 169#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 170#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 177#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 191#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 196#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 195#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 194#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 193#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 175#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 176#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 181#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 184#L598-4 [2020-11-29 22:22:51,271 INFO L796 eck$LassoCheckResult]: Loop: 184#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 178#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 179#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 184#L598-4 [2020-11-29 22:22:51,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1280640324, now seen corresponding path program 1 times [2020-11-29 22:22:51,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:51,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511595076] [2020-11-29 22:22:51,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:51,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511595076] [2020-11-29 22:22:51,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:51,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:22:51,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087956718] [2020-11-29 22:22:51,382 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:51,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:51,383 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 3 times [2020-11-29 22:22:51,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:51,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332566215] [2020-11-29 22:22:51,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:51,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:51,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:51,438 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:51,638 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:51,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:51,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:22:51,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:22:51,686 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. cyclomatic complexity: 14 Second operand 5 states. [2020-11-29 22:22:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:51,924 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2020-11-29 22:22:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:22:51,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2020-11-29 22:22:51,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:51,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 60 transitions. [2020-11-29 22:22:51,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2020-11-29 22:22:51,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2020-11-29 22:22:51,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 60 transitions. [2020-11-29 22:22:51,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:51,929 INFO L691 BuchiCegarLoop]: Abstraction has 45 states and 60 transitions. [2020-11-29 22:22:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 60 transitions. [2020-11-29 22:22:51,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2020-11-29 22:22:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-29 22:22:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2020-11-29 22:22:51,933 INFO L714 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2020-11-29 22:22:51,933 INFO L594 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2020-11-29 22:22:51,933 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 22:22:51,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2020-11-29 22:22:51,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:51,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:51,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:51,935 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:51,935 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:51,936 INFO L794 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 273#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 274#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 275#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 258#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 259#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 264#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 278#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 260#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 261#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 267#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 287#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 286#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 285#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 284#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 282#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 265#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 266#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 271#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 272#L598-4 [2020-11-29 22:22:51,936 INFO L796 eck$LassoCheckResult]: Loop: 272#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 268#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 269#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 272#L598-4 [2020-11-29 22:22:51,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:51,936 INFO L82 PathProgramCache]: Analyzing trace with hash 600581954, now seen corresponding path program 1 times [2020-11-29 22:22:51,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:51,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299361221] [2020-11-29 22:22:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:52,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299361221] [2020-11-29 22:22:52,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:52,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:22:52,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101329905] [2020-11-29 22:22:52,022 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:52,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:52,022 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 4 times [2020-11-29 22:22:52,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:52,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20106679] [2020-11-29 22:22:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:52,043 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:52,062 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:52,065 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:52,236 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:52,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:52,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:22:52,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:22:52,318 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. cyclomatic complexity: 13 Second operand 5 states. [2020-11-29 22:22:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:52,467 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2020-11-29 22:22:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:22:52,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 61 transitions. [2020-11-29 22:22:52,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:52,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 61 transitions. [2020-11-29 22:22:52,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2020-11-29 22:22:52,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2020-11-29 22:22:52,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 61 transitions. [2020-11-29 22:22:52,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:52,471 INFO L691 BuchiCegarLoop]: Abstraction has 47 states and 61 transitions. [2020-11-29 22:22:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 61 transitions. [2020-11-29 22:22:52,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34. [2020-11-29 22:22:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-29 22:22:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2020-11-29 22:22:52,476 INFO L714 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-11-29 22:22:52,476 INFO L594 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-11-29 22:22:52,476 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 22:22:52,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2020-11-29 22:22:52,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:52,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:52,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:52,478 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:52,478 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:52,479 INFO L794 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 367#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 368#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 369#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 351#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 352#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 384#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 372#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 377#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 383#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 382#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 381#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 380#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 379#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 378#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 375#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 357#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 358#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 365#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 366#L598-4 [2020-11-29 22:22:52,479 INFO L796 eck$LassoCheckResult]: Loop: 366#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 361#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 362#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 366#L598-4 [2020-11-29 22:22:52,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:52,480 INFO L82 PathProgramCache]: Analyzing trace with hash -100482624, now seen corresponding path program 1 times [2020-11-29 22:22:52,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:52,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846444077] [2020-11-29 22:22:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:52,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846444077] [2020-11-29 22:22:52,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:52,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:22:52,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505532347] [2020-11-29 22:22:52,572 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 5 times [2020-11-29 22:22:52,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:52,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547882934] [2020-11-29 22:22:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:52,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:52,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:52,616 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:52,775 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:52,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:52,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:22:52,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:22:52,826 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-29 22:22:53,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:53,000 INFO L93 Difference]: Finished difference Result 49 states and 62 transitions. [2020-11-29 22:22:53,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:22:53,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 62 transitions. [2020-11-29 22:22:53,002 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:53,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 49 states and 62 transitions. [2020-11-29 22:22:53,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2020-11-29 22:22:53,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2020-11-29 22:22:53,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 62 transitions. [2020-11-29 22:22:53,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:53,004 INFO L691 BuchiCegarLoop]: Abstraction has 49 states and 62 transitions. [2020-11-29 22:22:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 62 transitions. [2020-11-29 22:22:53,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 34. [2020-11-29 22:22:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-29 22:22:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2020-11-29 22:22:53,007 INFO L714 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2020-11-29 22:22:53,007 INFO L594 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2020-11-29 22:22:53,007 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 22:22:53,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2020-11-29 22:22:53,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:53,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:53,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:53,009 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:53,009 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:53,009 INFO L794 eck$LassoCheckResult]: Stem: 465#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 460#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 461#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 463#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 446#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 447#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 452#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 479#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 478#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 477#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 476#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 475#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 474#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 473#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 472#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 470#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 453#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 454#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 459#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 462#L598-4 [2020-11-29 22:22:53,009 INFO L796 eck$LassoCheckResult]: Loop: 462#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 456#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 457#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 462#L598-4 [2020-11-29 22:22:53,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:53,010 INFO L82 PathProgramCache]: Analyzing trace with hash 486323390, now seen corresponding path program 1 times [2020-11-29 22:22:53,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:53,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666870615] [2020-11-29 22:22:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:53,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666870615] [2020-11-29 22:22:53,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:53,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-29 22:22:53,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801655827] [2020-11-29 22:22:53,147 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:53,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:53,148 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 6 times [2020-11-29 22:22:53,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:53,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675032996] [2020-11-29 22:22:53,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:53,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:53,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:53,195 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:53,316 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:53,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:53,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 22:22:53,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-11-29 22:22:53,403 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 11 Second operand 10 states. [2020-11-29 22:22:53,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:53,743 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2020-11-29 22:22:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 22:22:53,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 88 transitions. [2020-11-29 22:22:53,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:53,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 88 transitions. [2020-11-29 22:22:53,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2020-11-29 22:22:53,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2020-11-29 22:22:53,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 88 transitions. [2020-11-29 22:22:53,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:53,751 INFO L691 BuchiCegarLoop]: Abstraction has 68 states and 88 transitions. [2020-11-29 22:22:53,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 88 transitions. [2020-11-29 22:22:53,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 36. [2020-11-29 22:22:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-29 22:22:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2020-11-29 22:22:53,762 INFO L714 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-11-29 22:22:53,762 INFO L594 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-11-29 22:22:53,762 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-29 22:22:53,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2020-11-29 22:22:53,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:53,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:53,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:53,767 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:53,767 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:53,768 INFO L794 eck$LassoCheckResult]: Stem: 583#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 579#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 580#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 581#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 563#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 564#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 590#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 587#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 588#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 592#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 593#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 594#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 595#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 596#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 597#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 586#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 589#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 570#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 577#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 578#L598-4 [2020-11-29 22:22:53,768 INFO L796 eck$LassoCheckResult]: Loop: 578#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 573#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 574#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 578#L598-4 [2020-11-29 22:22:53,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:53,769 INFO L82 PathProgramCache]: Analyzing trace with hash 488170432, now seen corresponding path program 1 times [2020-11-29 22:22:53,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:53,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231642507] [2020-11-29 22:22:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:53,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231642507] [2020-11-29 22:22:53,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:53,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:22:53,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849016037] [2020-11-29 22:22:53,863 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:53,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:53,863 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 7 times [2020-11-29 22:22:53,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:53,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364324113] [2020-11-29 22:22:53,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:53,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:53,904 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:53,910 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:54,105 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:54,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:54,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:22:54,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:22:54,159 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 11 Second operand 5 states. [2020-11-29 22:22:54,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:54,303 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2020-11-29 22:22:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:22:54,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 52 transitions. [2020-11-29 22:22:54,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:54,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 52 transitions. [2020-11-29 22:22:54,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2020-11-29 22:22:54,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2020-11-29 22:22:54,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 52 transitions. [2020-11-29 22:22:54,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:54,310 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 52 transitions. [2020-11-29 22:22:54,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 52 transitions. [2020-11-29 22:22:54,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2020-11-29 22:22:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-29 22:22:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2020-11-29 22:22:54,313 INFO L714 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2020-11-29 22:22:54,313 INFO L594 BuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2020-11-29 22:22:54,313 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-29 22:22:54,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2020-11-29 22:22:54,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:54,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:54,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:54,315 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:54,315 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:54,315 INFO L794 eck$LassoCheckResult]: Stem: 670#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 666#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 667#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 668#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 650#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 651#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 676#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 677#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 685#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 684#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 683#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 682#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 681#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 680#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 674#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 675#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 658#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 659#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 664#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 665#L598-4 [2020-11-29 22:22:54,315 INFO L796 eck$LassoCheckResult]: Loop: 665#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 660#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 661#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 665#L598-4 [2020-11-29 22:22:54,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:54,316 INFO L82 PathProgramCache]: Analyzing trace with hash 486321468, now seen corresponding path program 1 times [2020-11-29 22:22:54,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:54,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662623177] [2020-11-29 22:22:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:22:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:22:54,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662623177] [2020-11-29 22:22:54,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:22:54,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 22:22:54,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971473136] [2020-11-29 22:22:54,355 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:22:54,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:54,356 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 8 times [2020-11-29 22:22:54,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:54,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976478868] [2020-11-29 22:22:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,386 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,388 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:54,527 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:22:54,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:22:54,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:22:54,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:22:54,579 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 10 Second operand 5 states. [2020-11-29 22:22:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:22:54,664 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2020-11-29 22:22:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:22:54,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2020-11-29 22:22:54,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:54,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2020-11-29 22:22:54,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2020-11-29 22:22:54,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2020-11-29 22:22:54,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2020-11-29 22:22:54,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:22:54,666 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2020-11-29 22:22:54,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2020-11-29 22:22:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2020-11-29 22:22:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-29 22:22:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2020-11-29 22:22:54,669 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2020-11-29 22:22:54,669 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2020-11-29 22:22:54,670 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-29 22:22:54,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2020-11-29 22:22:54,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:22:54,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:22:54,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:22:54,671 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:22:54,671 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:22:54,672 INFO L794 eck$LassoCheckResult]: Stem: 759#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 754#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 755#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 756#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 737#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 738#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 766#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 767#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 774#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 772#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 771#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 770#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 769#L578 assume main_#t~mem28 > 0;havoc main_#t~mem28;call main_#t~mem29 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post30 := main_#t~mem29;call write~int(1 + main_#t~post30, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post30;havoc main_#t~mem29; 768#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 761#L583 assume main_#t~mem33 > 0;havoc main_#t~mem33;call main_#t~mem34 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post35 := main_#t~mem34;call write~int(1 + main_#t~post35, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem34;havoc main_#t~post35; 762#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 743#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 744#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 763#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 753#L598-4 [2020-11-29 22:22:54,672 INFO L796 eck$LassoCheckResult]: Loop: 753#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 748#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 749#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 753#L598-4 [2020-11-29 22:22:54,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:54,673 INFO L82 PathProgramCache]: Analyzing trace with hash 486321466, now seen corresponding path program 1 times [2020-11-29 22:22:54,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:54,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078875047] [2020-11-29 22:22:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,723 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,735 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:54,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:54,738 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 9 times [2020-11-29 22:22:54,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:54,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252636637] [2020-11-29 22:22:54,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,761 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:54,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:22:54,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1078171826, now seen corresponding path program 1 times [2020-11-29 22:22:54,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:22:54,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880308035] [2020-11-29 22:22:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:22:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:22:54,826 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:22:54,846 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:22:55,044 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:00,402 WARN L193 SmtUtils]: Spent 5.29 s on a formula simplification. DAG size of input: 184 DAG size of output: 160 [2020-11-29 22:23:00,613 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-29 22:23:00,622 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:23:00,623 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:23:00,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:23:00,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:23:00,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:23:00,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:00,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:23:00,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:23:00,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-alloca.i_Iteration9_Lasso [2020-11-29 22:23:00,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:23:00,625 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:23:00,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:00,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,288 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-11-29 22:23:01,432 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-29 22:23:01,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:01,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:02,362 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:23:02,368 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,376 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 [2020-11-29 22:23:02,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:02,449 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 [2020-11-29 22:23:02,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,481 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 [2020-11-29 22:23:02,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,519 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 [2020-11-29 22:23:02,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,562 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 [2020-11-29 22:23:02,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:02,593 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 [2020-11-29 22:23:02,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,622 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 [2020-11-29 22:23:02,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,650 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 [2020-11-29 22:23:02,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:02,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:02,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,711 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 [2020-11-29 22:23:02,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 22:23:02,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,791 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 [2020-11-29 22:23:02,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,795 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:02,821 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 [2020-11-29 22:23:02,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:02,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,859 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 [2020-11-29 22:23:02,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:02,894 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 [2020-11-29 22:23:02,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,924 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 [2020-11-29 22:23:02,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:02,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:02,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:02,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,954 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 [2020-11-29 22:23:02,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:02,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:02,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/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 [2020-11-29 22:23:02,995 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 [2020-11-29 22:23:02,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:02,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:02,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:02,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:02,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:02,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:03,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,026 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 [2020-11-29 22:23:03,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,055 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 [2020-11-29 22:23:03,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,085 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 [2020-11-29 22:23:03,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,113 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 [2020-11-29 22:23:03,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,139 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 [2020-11-29 22:23:03,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,165 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 [2020-11-29 22:23:03,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,190 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 [2020-11-29 22:23:03,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,218 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 [2020-11-29 22:23:03,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:03,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,276 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 [2020-11-29 22:23:03,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,304 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 [2020-11-29 22:23:03,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,337 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 [2020-11-29 22:23:03,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,366 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 [2020-11-29 22:23:03,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:03,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:03,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:03,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,398 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 [2020-11-29 22:23:03,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:03,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:03,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,430 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 [2020-11-29 22:23:03,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:03,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:03,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:03,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:03,465 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 [2020-11-29 22:23:03,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:03,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:03,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:03,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,476 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:03,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:03,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 22:23:03,539 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-29 22:23:03,539 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:03,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:03,568 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 22:23:03,568 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:23:03,569 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1) = 100*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 9*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 - 9 >= 0] [2020-11-29 22:23:03,841 INFO L297 tatePredicateManager]: 35 out of 40 supporting invariants were superfluous and have been removed [2020-11-29 22:23:03,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 22:23:03,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 22:23:04,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-29 22:23:04,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:23:04,123 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,124 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-29 22:23:04,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:23:04,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:23:04,140 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,158 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,158 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,158 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:17 [2020-11-29 22:23:04,256 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,256 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,276 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,276 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,325 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,326 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,343 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,344 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,344 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,393 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,393 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,408 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,408 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,455 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,455 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,466 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,466 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,518 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,519 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,538 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,539 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,539 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,583 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,584 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,597 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,597 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,597 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,653 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2020-11-29 22:23:04,654 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,672 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:04,673 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:04,673 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:24 [2020-11-29 22:23:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:04,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 22:23:04,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:23:04,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:23:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:04,891 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 3 loop predicates [2020-11-29 22:23:04,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 10 Second operand 13 states. [2020-11-29 22:23:05,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 10. Second operand 13 states. Result 67 states and 82 transitions. Complement of second has 17 states. [2020-11-29 22:23:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2020-11-29 22:23:05,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 22:23:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 66 transitions. [2020-11-29 22:23:05,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 66 transitions. Stem has 19 letters. Loop has 3 letters. [2020-11-29 22:23:05,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:23:05,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 66 transitions. Stem has 22 letters. Loop has 3 letters. [2020-11-29 22:23:05,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:23:05,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 66 transitions. Stem has 19 letters. Loop has 6 letters. [2020-11-29 22:23:05,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:23:05,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 82 transitions. [2020-11-29 22:23:05,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-11-29 22:23:05,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 53 states and 65 transitions. [2020-11-29 22:23:05,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2020-11-29 22:23:05,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2020-11-29 22:23:05,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 65 transitions. [2020-11-29 22:23:05,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:05,668 INFO L691 BuchiCegarLoop]: Abstraction has 53 states and 65 transitions. [2020-11-29 22:23:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 65 transitions. [2020-11-29 22:23:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 32. [2020-11-29 22:23:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-29 22:23:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2020-11-29 22:23:05,671 INFO L714 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2020-11-29 22:23:05,671 INFO L594 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2020-11-29 22:23:05,671 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-29 22:23:05,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. [2020-11-29 22:23:05,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:05,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:05,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:05,672 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:05,672 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:05,672 INFO L794 eck$LassoCheckResult]: Stem: 1151#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1146#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1147#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 1149#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1130#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 1131#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1158#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 1156#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1157#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 1161#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1160#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 1153#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1134#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1135#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1144#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1155#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1138#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 1139#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1145#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 1148#L598-4 [2020-11-29 22:23:05,672 INFO L796 eck$LassoCheckResult]: Loop: 1148#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1142#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1143#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1148#L598-4 [2020-11-29 22:23:05,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:05,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1351733056, now seen corresponding path program 1 times [2020-11-29 22:23:05,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:05,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010295371] [2020-11-29 22:23:05,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:05,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010295371] [2020-11-29 22:23:05,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:23:05,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:23:05,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835435596] [2020-11-29 22:23:05,747 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:23:05,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:05,747 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 10 times [2020-11-29 22:23:05,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:05,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593432075] [2020-11-29 22:23:05,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:05,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:05,766 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:05,769 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:05,975 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:06,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:23:06,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:23:06,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:23:06,043 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-11-29 22:23:06,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:23:06,168 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2020-11-29 22:23:06,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:23:06,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2020-11-29 22:23:06,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:06,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 41 transitions. [2020-11-29 22:23:06,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2020-11-29 22:23:06,171 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2020-11-29 22:23:06,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2020-11-29 22:23:06,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:06,172 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2020-11-29 22:23:06,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2020-11-29 22:23:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-11-29 22:23:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-11-29 22:23:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-11-29 22:23:06,175 INFO L714 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-11-29 22:23:06,175 INFO L594 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-11-29 22:23:06,175 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-11-29 22:23:06,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2020-11-29 22:23:06,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:06,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:06,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:06,176 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:06,176 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:06,177 INFO L794 eck$LassoCheckResult]: Stem: 1227#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1222#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1223#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 1225#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1206#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 1207#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1233#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 1234#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1237#L568 assume main_#t~mem18 > 0;havoc main_#t~mem18;call main_#t~mem19 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post20 := main_#t~mem19;call write~int(1 + main_#t~post20, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem19;havoc main_#t~post20; 1236#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1235#L573 assume main_#t~mem23 > 0;havoc main_#t~mem23;call main_#t~mem24 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post25 := main_#t~mem24;call write~int(1 + main_#t~post25, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post25;havoc main_#t~mem24; 1229#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1210#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1211#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1220#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1231#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1214#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 1215#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1232#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 1224#L598-4 [2020-11-29 22:23:06,177 INFO L796 eck$LassoCheckResult]: Loop: 1224#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1218#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1219#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1224#L598-4 [2020-11-29 22:23:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:06,177 INFO L82 PathProgramCache]: Analyzing trace with hash -2031791426, now seen corresponding path program 1 times [2020-11-29 22:23:06,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:06,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032723452] [2020-11-29 22:23:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:06,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032723452] [2020-11-29 22:23:06,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:23:06,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:23:06,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489544243] [2020-11-29 22:23:06,265 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:23:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:06,265 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 11 times [2020-11-29 22:23:06,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:06,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098519972] [2020-11-29 22:23:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:06,288 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:06,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:06,306 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:06,497 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:06,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:23:06,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:23:06,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:23:06,545 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-11-29 22:23:06,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:23:06,624 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2020-11-29 22:23:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:23:06,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2020-11-29 22:23:06,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:06,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 30 states and 36 transitions. [2020-11-29 22:23:06,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2020-11-29 22:23:06,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2020-11-29 22:23:06,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2020-11-29 22:23:06,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:06,626 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-11-29 22:23:06,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2020-11-29 22:23:06,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-11-29 22:23:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-29 22:23:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2020-11-29 22:23:06,629 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-11-29 22:23:06,629 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-11-29 22:23:06,629 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-11-29 22:23:06,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2020-11-29 22:23:06,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:06,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:06,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:06,630 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:06,630 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:06,630 INFO L794 eck$LassoCheckResult]: Stem: 1302#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1298#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1299#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 1300#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1282#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 1283#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1288#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 1304#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1284#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 1285#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1294#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 1305#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1286#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1287#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1295#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1307#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1289#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 1290#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1296#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 1297#L598-4 [2020-11-29 22:23:06,630 INFO L796 eck$LassoCheckResult]: Loop: 1297#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1292#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1293#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1297#L598-4 [2020-11-29 22:23:06,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:06,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1237474492, now seen corresponding path program 1 times [2020-11-29 22:23:06,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:06,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567505909] [2020-11-29 22:23:06,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:06,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567505909] [2020-11-29 22:23:06,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:23:06,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:23:06,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549869698] [2020-11-29 22:23:06,679 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:23:06,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:06,680 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 12 times [2020-11-29 22:23:06,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:06,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942863447] [2020-11-29 22:23:06,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:06,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:06,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:06,697 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:06,896 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:06,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:23:06,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:23:06,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:23:06,981 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 7 Second operand 5 states. [2020-11-29 22:23:07,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:23:07,072 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-11-29 22:23:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:23:07,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2020-11-29 22:23:07,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:07,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 35 transitions. [2020-11-29 22:23:07,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2020-11-29 22:23:07,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2020-11-29 22:23:07,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 35 transitions. [2020-11-29 22:23:07,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:07,074 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2020-11-29 22:23:07,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 35 transitions. [2020-11-29 22:23:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-11-29 22:23:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-29 22:23:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2020-11-29 22:23:07,077 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-11-29 22:23:07,077 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-11-29 22:23:07,077 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-11-29 22:23:07,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2020-11-29 22:23:07,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:07,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:07,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:07,078 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:07,078 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:07,078 INFO L794 eck$LassoCheckResult]: Stem: 1370#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1366#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1367#L553 assume 0 != main_#t~nondet7;havoc main_#t~nondet7;call write~int(1, main_~x~0.base, main_~x~0.offset, 4); 1368#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1350#L558 assume main_#t~mem8 > 0;havoc main_#t~mem8;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post10 := main_#t~mem9;call write~int(1 + main_#t~post10, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9;havoc main_#t~post10; 1351#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1356#L563 assume main_#t~mem13 > 0;havoc main_#t~mem13;call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post15 := main_#t~mem14;call write~int(1 + main_#t~post15, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem14;havoc main_#t~post15; 1372#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1352#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 1353#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1362#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 1373#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1354#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1355#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1363#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1374#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1357#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 1358#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1375#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 1365#L598-4 [2020-11-29 22:23:07,078 INFO L796 eck$LassoCheckResult]: Loop: 1365#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1360#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1361#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1365#L598-4 [2020-11-29 22:23:07,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:07,079 INFO L82 PathProgramCache]: Analyzing trace with hash -650668478, now seen corresponding path program 1 times [2020-11-29 22:23:07,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:07,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727243725] [2020-11-29 22:23:07,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:07,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727243725] [2020-11-29 22:23:07,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:23:07,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 22:23:07,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484369680] [2020-11-29 22:23:07,136 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:23:07,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:07,137 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 13 times [2020-11-29 22:23:07,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:07,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908983643] [2020-11-29 22:23:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:07,158 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:07,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:07,167 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:07,397 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:07,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:23:07,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:23:07,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:23:07,472 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 6 Second operand 5 states. [2020-11-29 22:23:07,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:23:07,587 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-11-29 22:23:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:23:07,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2020-11-29 22:23:07,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:07,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 27 transitions. [2020-11-29 22:23:07,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-11-29 22:23:07,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-11-29 22:23:07,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2020-11-29 22:23:07,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:07,590 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-29 22:23:07,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2020-11-29 22:23:07,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-11-29 22:23:07,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-29 22:23:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-11-29 22:23:07,591 INFO L714 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-29 22:23:07,591 INFO L594 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-11-29 22:23:07,591 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2020-11-29 22:23:07,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2020-11-29 22:23:07,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:07,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:07,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:07,592 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:07,592 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:07,593 INFO L794 eck$LassoCheckResult]: Stem: 1437#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1434#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1435#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 1436#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1418#L558 assume !(main_#t~mem8 > 0);havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post12 := main_#t~mem11;call write~int(main_#t~post12 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post12;havoc main_#t~mem11; 1419#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1427#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 1438#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1420#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 1421#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1430#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 1439#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1422#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1423#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1431#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1440#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1424#L588 assume main_#t~mem38 > 0;havoc main_#t~mem38;call main_#t~mem39 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post40 := main_#t~mem39;call write~int(1 + main_#t~post40, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem39;havoc main_#t~post40; 1425#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1432#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 1433#L598-4 [2020-11-29 22:23:07,593 INFO L796 eck$LassoCheckResult]: Loop: 1433#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1428#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1429#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1433#L598-4 [2020-11-29 22:23:07,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:07,593 INFO L82 PathProgramCache]: Analyzing trace with hash 189281224, now seen corresponding path program 1 times [2020-11-29 22:23:07,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:07,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695760439] [2020-11-29 22:23:07,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:07,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:07,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695760439] [2020-11-29 22:23:07,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:23:07,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-29 22:23:07,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154591962] [2020-11-29 22:23:07,774 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:23:07,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:07,775 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 14 times [2020-11-29 22:23:07,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:07,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877187295] [2020-11-29 22:23:07,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:07,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:07,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:07,806 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:08,002 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:08,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:23:08,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 22:23:08,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-29 22:23:08,056 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. cyclomatic complexity: 4 Second operand 11 states. [2020-11-29 22:23:08,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:23:08,231 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-11-29 22:23:08,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 22:23:08,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2020-11-29 22:23:08,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:08,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 32 transitions. [2020-11-29 22:23:08,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2020-11-29 22:23:08,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-11-29 22:23:08,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2020-11-29 22:23:08,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:08,233 INFO L691 BuchiCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-11-29 22:23:08,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2020-11-29 22:23:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2020-11-29 22:23:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-29 22:23:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-11-29 22:23:08,234 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-11-29 22:23:08,234 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-11-29 22:23:08,234 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2020-11-29 22:23:08,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2020-11-29 22:23:08,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:08,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:08,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:08,235 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:08,235 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:08,235 INFO L794 eck$LassoCheckResult]: Stem: 1504#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1501#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1502#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 1503#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1486#L558 assume !(main_#t~mem8 > 0);havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post12 := main_#t~mem11;call write~int(main_#t~post12 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post12;havoc main_#t~mem11; 1487#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1494#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 1505#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1488#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 1489#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1497#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 1506#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1490#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1491#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1498#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1507#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1492#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 1493#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1499#L593 assume !(main_#t~mem43 > 0);havoc main_#t~mem43;call main_#t~mem46 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post47 := main_#t~mem46;call write~int(main_#t~post47 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post47;havoc main_#t~mem46; 1500#L598-4 [2020-11-29 22:23:08,235 INFO L796 eck$LassoCheckResult]: Loop: 1500#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1495#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1496#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1500#L598-4 [2020-11-29 22:23:08,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:08,236 INFO L82 PathProgramCache]: Analyzing trace with hash 189283148, now seen corresponding path program 1 times [2020-11-29 22:23:08,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:08,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652425788] [2020-11-29 22:23:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:08,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:08,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:08,284 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:08,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:08,285 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 15 times [2020-11-29 22:23:08,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:08,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095868604] [2020-11-29 22:23:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:08,292 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:08,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:08,307 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:08,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:08,307 INFO L82 PathProgramCache]: Analyzing trace with hash -357729952, now seen corresponding path program 1 times [2020-11-29 22:23:08,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:08,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152934443] [2020-11-29 22:23:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:08,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:08,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:08,384 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:08,555 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:16,069 WARN L193 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 192 DAG size of output: 163 [2020-11-29 22:23:16,328 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-29 22:23:16,332 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 22:23:16,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 22:23:16,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 22:23:16,332 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 22:23:16,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 22:23:16,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:16,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 22:23:16,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 22:23:16,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-alloca.i_Iteration15_Lasso [2020-11-29 22:23:16,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 22:23:16,333 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 22:23:16,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:16,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,041 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2020-11-29 22:23:17,229 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-11-29 22:23:17,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 22:23:17,988 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 22:23:17,988 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:17,992 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 [2020-11-29 22:23:17,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:17,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:17,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:17,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:17,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:17,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:17,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:17,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,022 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 [2020-11-29 22:23:18,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,052 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 [2020-11-29 22:23:18,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,077 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 [2020-11-29 22:23:18,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,121 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 [2020-11-29 22:23:18,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,148 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 [2020-11-29 22:23:18,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,180 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 [2020-11-29 22:23:18,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,214 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 [2020-11-29 22:23:18,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,240 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 [2020-11-29 22:23:18,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,269 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 [2020-11-29 22:23:18,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,297 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 [2020-11-29 22:23:18,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,325 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 [2020-11-29 22:23:18,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:18,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:18,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 48 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,357 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 [2020-11-29 22:23:18,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,385 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 [2020-11-29 22:23:18,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,411 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 [2020-11-29 22:23:18,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,436 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 [2020-11-29 22:23:18,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,488 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 [2020-11-29 22:23:18,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,516 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 [2020-11-29 22:23:18,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,547 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 [2020-11-29 22:23:18,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,576 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 [2020-11-29 22:23:18,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,617 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 [2020-11-29 22:23:18,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,644 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 [2020-11-29 22:23:18,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,671 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 [2020-11-29 22:23:18,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,705 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 [2020-11-29 22:23:18,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 22:23:18,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:18,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:18,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,772 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 [2020-11-29 22:23:18,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:18,829 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 [2020-11-29 22:23:18,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:18,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,905 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 [2020-11-29 22:23:18,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,932 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 [2020-11-29 22:23:18,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,961 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 [2020-11-29 22:23:18,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,965 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:18,991 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 [2020-11-29 22:23:18,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:18,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:18,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:18,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:18,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:18,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:18,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:18,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,020 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 [2020-11-29 22:23:19,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,049 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 [2020-11-29 22:23:19,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:19,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:19,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 22:23:19,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,126 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 [2020-11-29 22:23:19,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,155 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 [2020-11-29 22:23:19,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:19,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:19,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,187 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 [2020-11-29 22:23:19,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:19,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:19,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,218 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 [2020-11-29 22:23:19,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,247 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 [2020-11-29 22:23:19,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,275 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 [2020-11-29 22:23:19,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,304 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 [2020-11-29 22:23:19,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,308 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,332 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 [2020-11-29 22:23:19,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,358 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 [2020-11-29 22:23:19,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,385 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 [2020-11-29 22:23:19,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 22:23:19,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 22:23:19,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 22:23:19,388 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,414 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 [2020-11-29 22:23:19,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:19,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:19,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,449 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 [2020-11-29 22:23:19,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:19,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:19,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,492 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 [2020-11-29 22:23:19,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 22:23:19,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 22:23:19,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 22:23:19,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 22:23:19,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 22:23:19,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 22:23:19,510 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 22:23:19,518 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-29 22:23:19,518 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8e44d51-679b-466a-bdcf-836600f7c416/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:23:19,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 22:23:19,523 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 22:23:19,523 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 22:23:19,523 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 + 100 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 - 2 >= 0] [2020-11-29 22:23:19,737 INFO L297 tatePredicateManager]: 36 out of 40 supporting invariants were superfluous and have been removed [2020-11-29 22:23:19,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 22:23:19,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:19,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-29 22:23:19,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:23:19,863 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-11-29 22:23:19,871 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:19,878 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:19,879 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:19,879 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:13 [2020-11-29 22:23:19,905 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-29 22:23:19,905 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:19,914 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:19,914 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:19,915 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-11-29 22:23:19,944 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:19,944 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:19,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:19,955 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:19,955 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:22 [2020-11-29 22:23:20,037 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:20,038 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:20,059 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:20 [2020-11-29 22:23:20,093 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:20,094 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,104 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:20,104 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,104 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:22 [2020-11-29 22:23:20,137 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:20,138 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,150 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:20,151 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,151 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:20 [2020-11-29 22:23:20,185 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:20,185 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,195 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:20,195 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,195 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:20 [2020-11-29 22:23:20,250 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:20,251 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,265 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:20,265 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,265 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:20 [2020-11-29 22:23:20,303 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2020-11-29 22:23:20,303 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,313 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:23:20,313 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:23:20,313 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:22 [2020-11-29 22:23:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:20,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 22:23:20,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:23:20,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:23:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:20,413 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2020-11-29 22:23:20,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 24 transitions. cyclomatic complexity: 3 Second operand 13 states. [2020-11-29 22:23:20,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 24 transitions. cyclomatic complexity: 3. Second operand 13 states. Result 31 states and 37 transitions. Complement of second has 15 states. [2020-11-29 22:23:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 22:23:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 22:23:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 32 transitions. [2020-11-29 22:23:20,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 32 transitions. Stem has 19 letters. Loop has 3 letters. [2020-11-29 22:23:20,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:23:20,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 32 transitions. Stem has 22 letters. Loop has 3 letters. [2020-11-29 22:23:20,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:23:20,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 32 transitions. Stem has 19 letters. Loop has 6 letters. [2020-11-29 22:23:20,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 22:23:20,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2020-11-29 22:23:20,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:20,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 25 states and 27 transitions. [2020-11-29 22:23:20,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2020-11-29 22:23:20,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2020-11-29 22:23:20,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 27 transitions. [2020-11-29 22:23:20,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:20,707 INFO L691 BuchiCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-11-29 22:23:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 27 transitions. [2020-11-29 22:23:20,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2020-11-29 22:23:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-29 22:23:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2020-11-29 22:23:20,709 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-11-29 22:23:20,709 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-11-29 22:23:20,709 INFO L427 BuchiCegarLoop]: ======== Iteration 16============ [2020-11-29 22:23:20,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2020-11-29 22:23:20,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 22:23:20,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:23:20,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:23:20,711 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:23:20,711 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 22:23:20,711 INFO L794 eck$LassoCheckResult]: Stem: 1838#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1835#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~mem8, main_#t~mem9, main_#t~post10, main_#t~mem11, main_#t~post12, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~mem16, main_#t~post17, main_#t~mem18, main_#t~mem19, main_#t~post20, main_#t~mem21, main_#t~post22, main_#t~mem23, main_#t~mem24, main_#t~post25, main_#t~mem26, main_#t~post27, main_#t~mem28, main_#t~mem29, main_#t~post30, main_#t~mem31, main_#t~post32, main_#t~mem33, main_#t~mem34, main_#t~post35, main_#t~mem36, main_#t~post37, main_#t~mem38, main_#t~mem39, main_#t~post40, main_#t~mem41, main_#t~post42, main_#t~mem43, main_#t~mem44, main_#t~post45, main_#t~mem46, main_#t~post47, main_#t~mem51, main_#t~mem52, main_#t~mem53, main_#t~mem54, main_#t~mem48, main_#t~mem49, main_#t~short50, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~m~0.base, main_~m~0.offset, main_~n~0.base, main_~n~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4);main_~m~0.base, main_~m~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnStack(4);main_~n~0.base, main_~n~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset; 1836#L553 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7;call write~int(-1, main_~x~0.base, main_~x~0.offset, 4); 1837#L553-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1820#L558 assume !(main_#t~mem8 > 0);havoc main_#t~mem8;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post12 := main_#t~mem11;call write~int(main_#t~post12 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post12;havoc main_#t~mem11; 1821#L558-2 call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1828#L563 assume !(main_#t~mem13 > 0);havoc main_#t~mem13;call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post17 := main_#t~mem16;call write~int(main_#t~post17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post17;havoc main_#t~mem16; 1839#L563-2 call main_#t~mem18 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1822#L568 assume !(main_#t~mem18 > 0);havoc main_#t~mem18;call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post22 := main_#t~mem21;call write~int(main_#t~post22 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem21;havoc main_#t~post22; 1823#L568-2 call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1831#L573 assume !(main_#t~mem23 > 0);havoc main_#t~mem23;call main_#t~mem26 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post27 := main_#t~mem26;call write~int(main_#t~post27 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem26;havoc main_#t~post27; 1840#L573-2 call main_#t~mem28 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1824#L578 assume !(main_#t~mem28 > 0);havoc main_#t~mem28;call main_#t~mem31 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post32 := main_#t~mem31;call write~int(main_#t~post32 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem31;havoc main_#t~post32; 1825#L578-2 call main_#t~mem33 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1832#L583 assume !(main_#t~mem33 > 0);havoc main_#t~mem33;call main_#t~mem36 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post37 := main_#t~mem36;call write~int(main_#t~post37 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem36;havoc main_#t~post37; 1841#L583-2 call main_#t~mem38 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1826#L588 assume !(main_#t~mem38 > 0);havoc main_#t~mem38;call main_#t~mem41 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post42 := main_#t~mem41;call write~int(main_#t~post42 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~post42;havoc main_#t~mem41; 1827#L588-2 call main_#t~mem43 := read~int(main_~x~0.base, main_~x~0.offset, 4); 1833#L593 assume main_#t~mem43 > 0;havoc main_#t~mem43;call main_#t~mem44 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post45 := main_#t~mem44;call write~int(1 + main_#t~post45, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem44;havoc main_#t~post45; 1834#L598-4 [2020-11-29 22:23:20,711 INFO L796 eck$LassoCheckResult]: Loop: 1834#L598-4 call main_#t~mem48 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short50 := main_#t~mem48 < 100; 1829#L598 assume main_#t~short50;call main_#t~mem49 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short50 := main_#t~mem49 < 100; 1830#L598-2 assume !!main_#t~short50;havoc main_#t~mem49;havoc main_#t~mem48;havoc main_#t~short50;call main_#t~mem51 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem52 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem51 + main_#t~mem52, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem51;havoc main_#t~mem52;call main_#t~mem53 := read~int(main_~z~0.base, main_~z~0.offset, 4);call main_#t~mem54 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem53 - main_#t~mem54, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem54;havoc main_#t~mem53; 1834#L598-4 [2020-11-29 22:23:20,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:20,712 INFO L82 PathProgramCache]: Analyzing trace with hash 189283146, now seen corresponding path program 1 times [2020-11-29 22:23:20,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:20,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689068110] [2020-11-29 22:23:20,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:23:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:23:20,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689068110] [2020-11-29 22:23:20,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:23:20,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-29 22:23:20,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665409783] [2020-11-29 22:23:20,839 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 22:23:20,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:23:20,839 INFO L82 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 16 times [2020-11-29 22:23:20,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:23:20,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283777320] [2020-11-29 22:23:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:23:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:20,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:23:20,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:23:20,855 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:23:21,049 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2020-11-29 22:23:21,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:23:21,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 22:23:21,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-11-29 22:23:21,111 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand 12 states. [2020-11-29 22:23:21,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:23:21,229 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-11-29 22:23:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 22:23:21,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 18 transitions. [2020-11-29 22:23:21,230 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:23:21,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2020-11-29 22:23:21,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 22:23:21,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 22:23:21,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 22:23:21,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:23:21,230 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:23:21,230 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:23:21,230 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:23:21,230 INFO L427 BuchiCegarLoop]: ======== Iteration 17============ [2020-11-29 22:23:21,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:23:21,230 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 22:23:21,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 22:23:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 10:23:21 BoogieIcfgContainer [2020-11-29 22:23:21,235 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 22:23:21,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:23:21,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:23:21,236 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:23:21,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:22:49" (3/4) ... [2020-11-29 22:23:21,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:23:21,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:23:21,239 INFO L168 Benchmark]: Toolchain (without parser) took 33591.27 ms. Allocated memory was 107.0 MB in the beginning and 232.8 MB in the end (delta: 125.8 MB). Free memory was 71.4 MB in the beginning and 185.0 MB in the end (delta: -113.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:21,240 INFO L168 Benchmark]: CDTParser took 11.67 ms. Allocated memory is still 107.0 MB. Free memory was 77.6 MB in the beginning and 88.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:21,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.40 ms. Allocated memory is still 107.0 MB. Free memory was 71.3 MB in the beginning and 73.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:21,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.91 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 71.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:21,240 INFO L168 Benchmark]: Boogie Preprocessor took 59.55 ms. Allocated memory is still 107.0 MB. Free memory was 71.7 MB in the beginning and 70.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:23:21,241 INFO L168 Benchmark]: RCFGBuilder took 631.40 ms. Allocated memory is still 107.0 MB. Free memory was 70.1 MB in the beginning and 46.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:23:21,241 INFO L168 Benchmark]: BuchiAutomizer took 32176.67 ms. Allocated memory was 107.0 MB in the beginning and 232.8 MB in the end (delta: 125.8 MB). Free memory was 45.8 MB in the beginning and 185.0 MB in the end (delta: -139.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:23:21,241 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 232.8 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:23:21,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 11.67 ms. Allocated memory is still 107.0 MB. Free memory was 77.6 MB in the beginning and 88.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.40 ms. Allocated memory is still 107.0 MB. Free memory was 71.3 MB in the beginning and 73.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.91 ms. Allocated memory is still 107.0 MB. Free memory was 73.8 MB in the beginning and 71.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.55 ms. Allocated memory is still 107.0 MB. Free memory was 71.7 MB in the beginning and 70.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 631.40 ms. Allocated memory is still 107.0 MB. Free memory was 70.1 MB in the beginning and 46.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 32176.67 ms. Allocated memory was 107.0 MB in the beginning and 232.8 MB in the end (delta: 125.8 MB). Free memory was 45.8 MB in the beginning and 185.0 MB in the end (delta: -139.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.05 ms. Allocated memory is still 232.8 MB. Free memory is still 185.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 16 terminating modules (14 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 100 * unknown-#memory_int-unknown[x][x] + -9 * unknown-#memory_int-unknown[y][y] and consists of 14 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z][z] + 100 and consists of 13 locations. 14 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 32.1s and 17 iterations. TraceHistogramMax:1. Analysis of lassos took 26.7s. Construction of modules took 2.0s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 16. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 122 StatesRemovedByMinimization, 13 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 38 states and ocurred in iteration 8. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 323 SDtfs, 311 SDslu, 378 SDs, 0 SdLazy, 1636 SolverSat, 243 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU14 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital348 mio100 ax105 hnf100 lsp89 ukn56 mio100 lsp36 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...