./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i -s /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 32bit --witnessprinter.graph.data.programhash c99147d7fc15b82aae203d59dfd3004b20a3ac70 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:51:31,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:51:31,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:51:31,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:51:31,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:51:31,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:51:31,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:51:31,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:51:31,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:51:31,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:51:31,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:51:31,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:51:31,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:51:31,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:51:31,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:51:31,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:51:31,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:51:31,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:51:31,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:51:31,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:51:31,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:51:31,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:51:31,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:51:31,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:51:31,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:51:31,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:51:31,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:51:31,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:51:31,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:51:31,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:51:31,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:51:31,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:51:31,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:51:31,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:51:31,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:51:31,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:51:31,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:51:31,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:51:31,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:51:31,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:51:31,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:51:31,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 16:51:31,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:51:31,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:51:31,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:51:31,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:51:31,202 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:51:31,203 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:51:31,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:51:31,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:51:31,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:51:31,205 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:51:31,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:51:31,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:51:31,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:51:31,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:51:31,205 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:51:31,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:51:31,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:51:31,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:51:31,206 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:51:31,206 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:51:31,207 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c99147d7fc15b82aae203d59dfd3004b20a3ac70 [2019-12-07 16:51:31,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:51:31,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:51:31,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:51:31,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:51:31,315 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:51:31,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2019-12-07 16:51:31,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/data/532577918/47c101d8e8354901927038c7e9376879/FLAG68925f6fb [2019-12-07 16:51:31,800 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:51:31,800 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/sv-benchmarks/c/ldv-memsafety/memleaks_test18.i [2019-12-07 16:51:31,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/data/532577918/47c101d8e8354901927038c7e9376879/FLAG68925f6fb [2019-12-07 16:51:31,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/data/532577918/47c101d8e8354901927038c7e9376879 [2019-12-07 16:51:31,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:51:31,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:51:31,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:51:31,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:51:31,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:51:31,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:51:31" (1/1) ... [2019-12-07 16:51:31,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a891328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:31, skipping insertion in model container [2019-12-07 16:51:31,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:51:31" (1/1) ... [2019-12-07 16:51:31,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:51:31,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:51:32,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:51:32,134 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:51:32,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:51:32,236 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:51:32,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32 WrapperNode [2019-12-07 16:51:32,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:51:32,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:51:32,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:51:32,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:51:32,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:51:32,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:51:32,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:51:32,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:51:32,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... [2019-12-07 16:51:32,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:51:32,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:51:32,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:51:32,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:51:32,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 16:51:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:51:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:51:32,493 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:51:32,493 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-07 16:51:32,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:51:32 BoogieIcfgContainer [2019-12-07 16:51:32,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:51:32,494 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:51:32,494 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:51:32,496 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:51:32,497 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:51:32,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:51:31" (1/3) ... [2019-12-07 16:51:32,498 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251304e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:51:32, skipping insertion in model container [2019-12-07 16:51:32,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:51:32,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:51:32" (2/3) ... [2019-12-07 16:51:32,498 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@251304e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:51:32, skipping insertion in model container [2019-12-07 16:51:32,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:51:32,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:51:32" (3/3) ... [2019-12-07 16:51:32,499 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18.i [2019-12-07 16:51:32,528 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:51:32,528 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:51:32,528 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:51:32,528 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:51:32,528 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:51:32,528 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:51:32,528 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:51:32,528 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:51:32,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 16:51:32,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 16:51:32,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:32,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:32,556 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 16:51:32,556 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:51:32,556 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:51:32,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-12-07 16:51:32,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 16:51:32,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:32,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:32,558 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 16:51:32,558 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:51:32,561 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 11#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 5#L526true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 16#L529true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 17#L763true assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 14#L767-3true [2019-12-07 16:51:32,562 INFO L796 eck$LassoCheckResult]: Loop: 14#L767-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 7#L526-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 18#L529-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 10#L769true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 13#L767-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 14#L767-3true [2019-12-07 16:51:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:32,566 INFO L82 PathProgramCache]: Analyzing trace with hash 28695751, now seen corresponding path program 1 times [2019-12-07 16:51:32,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:32,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967861999] [2019-12-07 16:51:32,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:32,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967861999] [2019-12-07 16:51:32,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:32,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:51:32,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672749356] [2019-12-07 16:51:32,690 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:51:32,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:32,691 INFO L82 PathProgramCache]: Analyzing trace with hash 47811737, now seen corresponding path program 1 times [2019-12-07 16:51:32,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:32,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314256754] [2019-12-07 16:51:32,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:32,727 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:32,854 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 16:51:32,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:51:32,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:51:32,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:32,927 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-12-07 16:51:32,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:32,975 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-12-07 16:51:32,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:51:32,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-12-07 16:51:32,978 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-12-07 16:51:32,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 25 transitions. [2019-12-07 16:51:32,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 16:51:32,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 16:51:32,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2019-12-07 16:51:32,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:51:32,982 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 16:51:32,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2019-12-07 16:51:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-12-07 16:51:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 16:51:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-12-07 16:51:33,000 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 16:51:33,000 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-12-07 16:51:33,000 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:51:33,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-12-07 16:51:33,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-12-07 16:51:33,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:33,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:33,001 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 16:51:33,001 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:51:33,001 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 69#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 72#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 71#L767-3 [2019-12-07 16:51:33,001 INFO L796 eck$LassoCheckResult]: Loop: 71#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 65#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 66#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 67#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 68#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 71#L767-3 [2019-12-07 16:51:33,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:33,002 INFO L82 PathProgramCache]: Analyzing trace with hash 28693829, now seen corresponding path program 1 times [2019-12-07 16:51:33,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:33,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771342408] [2019-12-07 16:51:33,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:33,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:33,023 INFO L82 PathProgramCache]: Analyzing trace with hash 47811737, now seen corresponding path program 2 times [2019-12-07 16:51:33,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:33,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486365521] [2019-12-07 16:51:33,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:33,044 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:33,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:33,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1232444971, now seen corresponding path program 1 times [2019-12-07 16:51:33,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:33,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770048314] [2019-12-07 16:51:33,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:33,080 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:33,185 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-12-07 16:51:33,367 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-12-07 16:51:33,432 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:51:33,433 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:51:33,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:51:33,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:51:33,433 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:51:33,433 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:51:33,433 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:51:33,433 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:51:33,433 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18.i_Iteration2_Lasso [2019-12-07 16:51:33,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:51:33,434 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:51:33,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:33,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:34,055 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:51:34,059 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,063 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 [2019-12-07 16:51:34,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:34,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:34,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,076 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 [2019-12-07 16:51:34,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:34,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:34,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:34,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,083 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 [2019-12-07 16:51:34,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:34,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:34,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:34,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,091 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 [2019-12-07 16:51:34,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:34,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:34,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,102 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 [2019-12-07 16:51:34,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:34,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:34,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,113 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 [2019-12-07 16:51:34,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:34,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:34,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:34,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,122 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 [2019-12-07 16:51:34,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:34,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:34,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,134 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 [2019-12-07 16:51:34,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:34,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:34,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:34,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,142 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 [2019-12-07 16:51:34,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,143 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 16:51:34,143 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 16:51:34,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,159 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 16:51:34,159 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 16:51:34,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,200 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 [2019-12-07 16:51:34,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:34,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:34,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:34,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:34,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:34,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:34,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:51:34,245 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 16:51:34,246 INFO L444 ModelExtractionUtils]: 30 out of 43 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:34,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:51:34,255 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:51:34,255 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:51:34,256 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~i~0) = 1*ULTIMATE.start_entry_point_~len~0 - 1*ULTIMATE.start_entry_point_~i~0 Supporting invariants [] [2019-12-07 16:51:34,273 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 16:51:34,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,301 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:51:34,302 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,314 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:51:34,315 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:34,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:34,330 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 16:51:34,331 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 16:51:34,368 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 6 states. [2019-12-07 16:51:34,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 16:51:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 16:51:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-12-07 16:51:34,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 5 letters. [2019-12-07 16:51:34,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:51:34,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 10 letters. Loop has 5 letters. [2019-12-07 16:51:34,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:51:34,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 16:51:34,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:51:34,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-12-07 16:51:34,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 16:51:34,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 20 states and 26 transitions. [2019-12-07 16:51:34,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 16:51:34,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 16:51:34,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2019-12-07 16:51:34,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:51:34,375 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2019-12-07 16:51:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2019-12-07 16:51:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-12-07 16:51:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:51:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-12-07 16:51:34,376 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-12-07 16:51:34,376 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-12-07 16:51:34,376 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:51:34,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-12-07 16:51:34,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:51:34,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:34,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:34,377 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:34,377 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:51:34,378 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 185#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 175#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 176#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 189#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 188#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 173#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 174#L773-3 [2019-12-07 16:51:34,378 INFO L796 eck$LassoCheckResult]: Loop: 174#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 177#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 174#L773-3 [2019-12-07 16:51:34,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1804966489, now seen corresponding path program 1 times [2019-12-07 16:51:34,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356092528] [2019-12-07 16:51:34,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:34,402 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356092528] [2019-12-07 16:51:34,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:34,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:51:34,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837387901] [2019-12-07 16:51:34,403 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:51:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2019-12-07 16:51:34,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311303488] [2019-12-07 16:51:34,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,409 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:51:34,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:51:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:34,432 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 4 states. [2019-12-07 16:51:34,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:34,448 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2019-12-07 16:51:34,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:51:34,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2019-12-07 16:51:34,450 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 16:51:34,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2019-12-07 16:51:34,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 16:51:34,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 16:51:34,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2019-12-07 16:51:34,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:51:34,451 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-12-07 16:51:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2019-12-07 16:51:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2019-12-07 16:51:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:51:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2019-12-07 16:51:34,453 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:51:34,454 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-12-07 16:51:34,454 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 16:51:34,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2019-12-07 16:51:34,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:51:34,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:34,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:34,455 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:34,455 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:51:34,455 INFO L794 eck$LassoCheckResult]: Stem: 237#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 236#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 226#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 227#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 240#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 239#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 229#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 230#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 233#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 224#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 225#L773-3 [2019-12-07 16:51:34,455 INFO L796 eck$LassoCheckResult]: Loop: 225#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 228#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 225#L773-3 [2019-12-07 16:51:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1232385447, now seen corresponding path program 1 times [2019-12-07 16:51:34,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215673657] [2019-12-07 16:51:34,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,475 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 2 times [2019-12-07 16:51:34,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435347060] [2019-12-07 16:51:34,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,483 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1088560603, now seen corresponding path program 1 times [2019-12-07 16:51:34,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396342100] [2019-12-07 16:51:34,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:34,508 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396342100] [2019-12-07 16:51:34,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:34,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:51:34,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667694840] [2019-12-07 16:51:34,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:51:34,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:51:34,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:34,531 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-12-07 16:51:34,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:34,552 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-12-07 16:51:34,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:51:34,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 32 transitions. [2019-12-07 16:51:34,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:51:34,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 26 transitions. [2019-12-07 16:51:34,555 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 16:51:34,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 16:51:34,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2019-12-07 16:51:34,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:51:34,555 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-07 16:51:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2019-12-07 16:51:34,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-12-07 16:51:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:51:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 16:51:34,557 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 16:51:34,557 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 16:51:34,557 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 16:51:34,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-12-07 16:51:34,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:51:34,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:34,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:34,559 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:34,559 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:51:34,559 INFO L794 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 290#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 280#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 281#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 294#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 293#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 285#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 286#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 288#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 289#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 292#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 278#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 279#L773-3 [2019-12-07 16:51:34,559 INFO L796 eck$LassoCheckResult]: Loop: 279#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 282#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 279#L773-3 [2019-12-07 16:51:34,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1088615463, now seen corresponding path program 1 times [2019-12-07 16:51:34,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348724702] [2019-12-07 16:51:34,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:34,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348724702] [2019-12-07 16:51:34,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:51:34,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:51:34,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342094066] [2019-12-07 16:51:34,588 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:51:34,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,588 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 3 times [2019-12-07 16:51:34,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731133289] [2019-12-07 16:51:34,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,595 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:51:34,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:51:34,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:51:34,614 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 16:51:34,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:34,633 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-12-07 16:51:34,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:51:34,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-12-07 16:51:34,635 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-12-07 16:51:34,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 28 transitions. [2019-12-07 16:51:34,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 16:51:34,636 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 16:51:34,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2019-12-07 16:51:34,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:51:34,636 INFO L688 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-12-07 16:51:34,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2019-12-07 16:51:34,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2019-12-07 16:51:34,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:51:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-12-07 16:51:34,638 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 16:51:34,638 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 16:51:34,638 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 16:51:34,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-12-07 16:51:34,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:51:34,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:34,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:34,639 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:34,639 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:51:34,640 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 343#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 333#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 334#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 347#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 346#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 338#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 339#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 341#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 342#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 345#L767-3 assume !(entry_point_~i~0 < entry_point_~len~0); 331#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 332#L773-3 [2019-12-07 16:51:34,640 INFO L796 eck$LassoCheckResult]: Loop: 332#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 335#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 332#L773-3 [2019-12-07 16:51:34,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1031357161, now seen corresponding path program 1 times [2019-12-07 16:51:34,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185453132] [2019-12-07 16:51:34,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:34,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185453132] [2019-12-07 16:51:34,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301697276] [2019-12-07 16:51:34,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:51:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:34,707 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:51:34,708 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:34,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:51:34,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2019-12-07 16:51:34,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800926836] [2019-12-07 16:51:34,741 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:51:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,741 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 4 times [2019-12-07 16:51:34,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081333548] [2019-12-07 16:51:34,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,748 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:51:34,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 16:51:34,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:51:34,767 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-12-07 16:51:34,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:51:34,791 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-12-07 16:51:34,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:51:34,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-12-07 16:51:34,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-12-07 16:51:34,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2019-12-07 16:51:34,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 16:51:34,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-12-07 16:51:34,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2019-12-07 16:51:34,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:51:34,793 INFO L688 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2019-12-07 16:51:34,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2019-12-07 16:51:34,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2019-12-07 16:51:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 16:51:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-12-07 16:51:34,795 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 16:51:34,795 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 16:51:34,796 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 16:51:34,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-12-07 16:51:34,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 16:51:34,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:51:34,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:51:34,797 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:51:34,797 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:51:34,797 INFO L794 eck$LassoCheckResult]: Stem: 436#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 435#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 425#L526 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 426#L529 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset; 440#L763 assume entry_point_~array~0.base != 0 || entry_point_~array~0.offset != 0;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 438#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 430#L526-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 431#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 433#L769 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 434#L767-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 437#L767-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 428#L526-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 429#L529-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 432#L769 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 423#L772 entry_point_~j~0 := entry_point_~i~0 - 1; 424#L773-3 [2019-12-07 16:51:34,797 INFO L796 eck$LassoCheckResult]: Loop: 424#L773-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 427#L773-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 424#L773-3 [2019-12-07 16:51:34,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1033365559, now seen corresponding path program 1 times [2019-12-07 16:51:34,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237597978] [2019-12-07 16:51:34,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,822 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 5 times [2019-12-07 16:51:34,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372401657] [2019-12-07 16:51:34,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,828 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:34,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:34,829 INFO L82 PathProgramCache]: Analyzing trace with hash -926855349, now seen corresponding path program 1 times [2019-12-07 16:51:34,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:51:34,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136649078] [2019-12-07 16:51:34,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:51:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:51:34,855 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:51:35,264 WARN L192 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-12-07 16:51:35,368 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:51:35,368 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:51:35,368 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:51:35,368 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:51:35,368 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:51:35,368 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:51:35,369 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:51:35,369 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:51:35,369 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18.i_Iteration7_Lasso [2019-12-07 16:51:35,369 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:51:35,369 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:51:35,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:51:35,812 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:51:35,812 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,815 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 [2019-12-07 16:51:35,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,825 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 [2019-12-07 16:51:35,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,831 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 [2019-12-07 16:51:35,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,841 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 [2019-12-07 16:51:35,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,849 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 [2019-12-07 16:51:35,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,858 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 [2019-12-07 16:51:35,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,870 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 [2019-12-07 16:51:35,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,878 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 [2019-12-07 16:51:35,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:51:35,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,898 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 [2019-12-07 16:51:35,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,906 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 [2019-12-07 16:51:35,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,915 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 [2019-12-07 16:51:35,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,921 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 [2019-12-07 16:51:35,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:51:35,930 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 [2019-12-07 16:51:35,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,936 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 [2019-12-07 16:51:35,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,943 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 [2019-12-07 16:51:35,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,944 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-12-07 16:51:35,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,949 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 16:51:35,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,961 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 [2019-12-07 16:51:35,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,971 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 [2019-12-07 16:51:35,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,980 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 [2019-12-07 16:51:35,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:35,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:35,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:35,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:35,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:51:35,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:35,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:51:35,995 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 [2019-12-07 16:51:35,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:35,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:35,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:35,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:35,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:35,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:36,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:51:36,004 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 [2019-12-07 16:51:36,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:36,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:36,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:36,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:36,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:36,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:36,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:36,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:36,011 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 [2019-12-07 16:51:36,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:36,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:36,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:36,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:36,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:36,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:36,015 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:36,019 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 [2019-12-07 16:51:36,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:36,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:36,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:36,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:36,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:36,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:36,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:36,027 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 [2019-12-07 16:51:36,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:36,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:51:36,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:36,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:36,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:36,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:51:36,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:51:36,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:36,033 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 [2019-12-07 16:51:36,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:51:36,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:51:36,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:51:36,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:51:36,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:51:36,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:51:36,049 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:51:36,081 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-12-07 16:51:36,082 INFO L444 ModelExtractionUtils]: 3 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65dce337-f0d1-479d-93a6-207a0efee919/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 [2019-12-07 16:51:36,084 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:51:36,087 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 16:51:36,087 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:51:36,088 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~len~0, ULTIMATE.start_entry_point_~j~0) = 1*ULTIMATE.start_entry_point_~len~0 + 2*ULTIMATE.start_entry_point_~j~0 Supporting invariants [1*ULTIMATE.start_entry_point_~len~0 - 10 >= 0] [2019-12-07 16:51:36,104 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2019-12-07 16:51:36,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:51:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:36,134 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 16:51:36,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:51:36,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:51:36,143 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:51:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:51:36,152 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 16:51:36,152 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-12-07 16:51:36,174 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 24 states and 29 transitions. Complement of second has 5 states. [2019-12-07 16:51:36,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 16:51:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 16:51:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-12-07 16:51:36,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 2 letters. [2019-12-07 16:51:36,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:51:36,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 2 letters. [2019-12-07 16:51:36,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:51:36,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 15 letters. Loop has 4 letters. [2019-12-07 16:51:36,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:51:36,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-12-07 16:51:36,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:51:36,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-12-07 16:51:36,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:51:36,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:51:36,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:51:36,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:51:36,177 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:51:36,177 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:51:36,177 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:51:36,177 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 16:51:36,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:51:36,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:51:36,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:51:36,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:51:36 BoogieIcfgContainer [2019-12-07 16:51:36,181 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:51:36,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:51:36,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:51:36,182 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:51:36,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:51:32" (3/4) ... [2019-12-07 16:51:36,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:51:36,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:51:36,185 INFO L168 Benchmark]: Toolchain (without parser) took 4362.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -107.8 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:36,186 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:51:36,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:36,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:36,187 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:51:36,187 INFO L168 Benchmark]: RCFGBuilder took 197.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:36,187 INFO L168 Benchmark]: BuchiAutomizer took 3687.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.9 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:51:36,188 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:51:36,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 197.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3687.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -5.9 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function len + -1 * i and consists of 4 locations. One deterministic module has affine ranking function len + 2 * j and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 113 SDtfs, 141 SDslu, 120 SDs, 0 SdLazy, 100 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn56 mio100 lsp58 div100 bol100 ite100 ukn100 eq191 hnf90 smp100 dnf109 smp92 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...