./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i -s /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e31c843d33c80f978b3ed5615692b93565f0ae0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:07:30,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:07:30,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:07:30,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:07:30,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:07:30,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:07:30,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:07:30,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:07:30,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:07:30,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:07:30,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:07:30,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:07:30,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:07:30,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:07:30,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:07:30,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:07:30,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:07:30,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:07:30,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:07:30,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:07:30,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:07:30,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:07:30,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:07:30,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:07:30,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:07:30,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:07:30,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:07:30,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:07:30,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:07:30,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:07:30,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:07:30,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:07:30,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:07:30,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:07:30,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:07:30,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:07:30,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:07:30,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:07:30,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:07:30,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:07:30,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:07:30,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 16:07:30,128 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:07:30,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:07:30,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:07:30,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:07:30,129 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:07:30,130 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:07:30,130 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:07:30,130 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:07:30,130 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:07:30,130 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:07:30,131 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:07:30,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:07:30,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:07:30,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:07:30,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:07:30,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:07:30,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:07:30,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:07:30,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:07:30,132 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:07:30,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:07:30,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:07:30,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:07:30,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:07:30,133 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:07:30,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:07:30,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:07:30,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:07:30,134 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:07:30,135 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:07:30,135 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_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e31c843d33c80f978b3ed5615692b93565f0ae0 [2019-12-07 16:07:30,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:07:30,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:07:30,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:07:30,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:07:30,251 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:07:30,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2019-12-07 16:07:30,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/data/000bf51a5/1fd865c7d3594ae38f7c440c75b2e2bd/FLAGcd802046b [2019-12-07 16:07:30,715 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:07:30,715 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2019-12-07 16:07:30,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/data/000bf51a5/1fd865c7d3594ae38f7c440c75b2e2bd/FLAGcd802046b [2019-12-07 16:07:30,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/data/000bf51a5/1fd865c7d3594ae38f7c440c75b2e2bd [2019-12-07 16:07:30,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:07:30,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:07:30,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:07:30,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:07:30,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:07:30,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4129eabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30, skipping insertion in model container [2019-12-07 16:07:30,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:07:30,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:07:30,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:07:30,939 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:07:30,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:07:30,961 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:07:30,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30 WrapperNode [2019-12-07 16:07:30,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:07:30,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:07:30,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:07:30,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:07:30,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:07:30,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:07:30,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:07:30,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:07:30,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... [2019-12-07 16:07:30,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:07:30,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:07:30,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:07:30,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:07:31,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:07:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-12-07 16:07:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-12-07 16:07:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 16:07:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:07:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:07:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:07:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:07:31,179 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:07:31,179 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 16:07:31,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:07:31 BoogieIcfgContainer [2019-12-07 16:07:31,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:07:31,180 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:07:31,180 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:07:31,182 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:07:31,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:07:31,183 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:07:30" (1/3) ... [2019-12-07 16:07:31,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38352ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:07:31, skipping insertion in model container [2019-12-07 16:07:31,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:07:31,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:07:30" (2/3) ... [2019-12-07 16:07:31,184 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38352ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:07:31, skipping insertion in model container [2019-12-07 16:07:31,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:07:31,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:07:31" (3/3) ... [2019-12-07 16:07:31,185 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11.i [2019-12-07 16:07:31,213 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:07:31,213 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:07:31,213 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:07:31,213 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:07:31,213 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:07:31,213 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:07:31,213 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:07:31,213 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:07:31,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 16:07:31,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 16:07:31,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:07:31,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:07:31,243 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:07:31,243 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:31,243 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:07:31,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 16:07:31,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 16:07:31,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:07:31,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:07:31,246 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:07:31,246 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:31,251 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 19#L28-3true [2019-12-07 16:07:31,252 INFO L796 eck$LassoCheckResult]: Loop: 19#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 9#L32true assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 20#L36true call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 6#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 14#recFINALtrue assume true; 12#recEXITtrue >#44#return; 18#L36-1true assume -1 == main_#t~ret12;main_#t~ite13 := -1; 11#L36-3true call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem14;havoc main_#t~ret12;havoc main_#t~ite13; 19#L28-3true [2019-12-07 16:07:31,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:31,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2019-12-07 16:07:31,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:31,261 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821882402] [2019-12-07 16:07:31,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:31,343 INFO L82 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2019-12-07 16:07:31,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:31,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825950906] [2019-12-07 16:07:31,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:31,463 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 16:07:31,463 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825950906] [2019-12-07 16:07:31,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:07:31,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 16:07:31,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066293532] [2019-12-07 16:07:31,468 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 16:07:31,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:07:31,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 16:07:31,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:07:31,480 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-12-07 16:07:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:07:31,561 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-12-07 16:07:31,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:07:31,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-12-07 16:07:31,565 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 16:07:31,569 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2019-12-07 16:07:31,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-12-07 16:07:31,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-12-07 16:07:31,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-12-07 16:07:31,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:07:31,571 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-12-07 16:07:31,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-12-07 16:07:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 16:07:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 16:07:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-12-07 16:07:31,591 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-12-07 16:07:31,591 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-12-07 16:07:31,591 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:07:31,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2019-12-07 16:07:31,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 16:07:31,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:07:31,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:07:31,592 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 16:07:31,592 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:31,592 INFO L794 eck$LassoCheckResult]: Stem: 66#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 63#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 64#L28-3 [2019-12-07 16:07:31,592 INFO L796 eck$LassoCheckResult]: Loop: 64#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 61#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 62#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 59#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 57#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 60#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 58#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 57#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 60#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 65#recFINAL assume true; 70#recEXIT >#42#return; 67#L19-1 #res := #t~ret5;havoc #t~ret5; 68#recFINAL assume true; 72#recEXIT >#44#return; 71#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 69#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem14;havoc main_#t~ret12;havoc main_#t~ite13; 64#L28-3 [2019-12-07 16:07:31,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:31,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2019-12-07 16:07:31,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:31,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245256041] [2019-12-07 16:07:31,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,605 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:31,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:31,605 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2019-12-07 16:07:31,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:31,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225164260] [2019-12-07 16:07:31,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,673 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:31,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:31,673 INFO L82 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2019-12-07 16:07:31,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:31,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228235091] [2019-12-07 16:07:31,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:31,729 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:32,008 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-12-07 16:07:32,638 WARN L192 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2019-12-07 16:07:32,801 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:07:32,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:07:32,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:07:32,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:07:32,801 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:07:32,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:32,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:07:32,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:07:32,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration2_Lasso [2019-12-07 16:07:32,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:07:32,802 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:07:32,814 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 16:07:32,818 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 16:07:32,819 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 16:07:32,820 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 16:07:32,823 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 16:07:32,824 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 16:07:32,997 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 16:07:32,999 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 16:07:33,000 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 16:07:33,001 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 16:07:33,266 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:07:33,269 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,273 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 16:07:33,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:33,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:33,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:33,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,283 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 16:07:33,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:33,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:33,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:33,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,290 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 16:07:33,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:33,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:33,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:33,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:07:33,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:33,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:33,303 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,308 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 16:07:33,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:33,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:33,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:33,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,320 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 16:07:33,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:33,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:33,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,334 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 16:07:33,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:33,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:33,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:33,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,341 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 16:07:33,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:33,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:33,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:33,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:33,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:33,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:33,349 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:07:33,356 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 16:07:33,356 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:33,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:07:33,367 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:07:33,367 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:07:33,367 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2019-12-07 16:07:33,376 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 16:07:33,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:07:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:33,400 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 16:07:33,401 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:33,432 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 18 conjunts are in the unsatisfiable core [2019-12-07 16:07:33,433 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:33,474 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:33,474 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-12-07 16:07:33,475 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:33,481 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:33,486 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-12-07 16:07:33,486 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:33,491 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:33,492 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:33,492 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:15 [2019-12-07 16:07:33,502 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-12-07 16:07:33,503 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:33,506 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:33,506 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:33,506 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:7 [2019-12-07 16:07:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 16:07:33,544 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-12-07 16:07:33,545 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-12-07 16:07:33,632 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 7 states. Result 62 states and 73 transitions. Complement of second has 17 states. [2019-12-07 16:07:33,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-12-07 16:07:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 16:07:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2019-12-07 16:07:33,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2019-12-07 16:07:33,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:33,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2019-12-07 16:07:33,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:33,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2019-12-07 16:07:33,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:33,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2019-12-07 16:07:33,642 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-12-07 16:07:33,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2019-12-07 16:07:33,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-12-07 16:07:33,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2019-12-07 16:07:33,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2019-12-07 16:07:33,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:07:33,646 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2019-12-07 16:07:33,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2019-12-07 16:07:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2019-12-07 16:07:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 16:07:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-12-07 16:07:33,652 INFO L711 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-12-07 16:07:33,652 INFO L591 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-12-07 16:07:33,652 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:07:33,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2019-12-07 16:07:33,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-12-07 16:07:33,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:07:33,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:07:33,654 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:33,654 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:07:33,655 INFO L794 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 255#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 256#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 251#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 252#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 262#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 280#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 291#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 246#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 244#recENTRY [2019-12-07 16:07:33,655 INFO L796 eck$LassoCheckResult]: Loop: 244#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 247#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 245#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 244#recENTRY [2019-12-07 16:07:33,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2019-12-07 16:07:33,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:33,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395876171] [2019-12-07 16:07:33,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:33,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:33,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:33,690 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2019-12-07 16:07:33,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:33,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809689507] [2019-12-07 16:07:33,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:33,703 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:33,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:33,704 INFO L82 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2019-12-07 16:07:33,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:33,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959233845] [2019-12-07 16:07:33,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:33,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:34,300 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-12-07 16:07:34,710 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2019-12-07 16:07:34,790 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:07:34,790 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:07:34,790 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:07:34,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:07:34,790 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:07:34,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:34,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:07:34,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:07:34,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration3_Lasso [2019-12-07 16:07:34,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:07:34,791 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:07:34,794 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 16:07:34,795 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 16:07:34,797 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 16:07:34,798 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 16:07:34,799 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 16:07:34,800 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 16:07:34,801 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 16:07:34,802 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 16:07:34,802 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 16:07:34,803 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 16:07:34,805 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 16:07:34,806 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 16:07:34,944 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 16:07:34,946 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 16:07:34,947 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 16:07:34,948 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 16:07:34,949 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 16:07:34,950 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 16:07:34,952 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 16:07:34,953 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 16:07:34,954 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 16:07:34,956 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 16:07:34,957 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 16:07:34,958 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 16:07:34,959 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 16:07:34,960 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 16:07:34,961 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 16:07:34,962 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 16:07:34,964 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 16:07:34,965 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 16:07:34,966 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 16:07:34,967 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 16:07:34,968 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 16:07:34,969 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 16:07:35,251 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-07 16:07:35,283 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:07:35,283 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,286 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 16:07:35,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,293 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 16:07:35,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:35,299 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 16:07:35,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,306 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 16:07:35,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,313 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 16:07:35,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,320 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 16:07:35,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,328 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 16:07:35,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,334 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 16:07:35,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,341 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 16:07:35,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,348 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 16:07:35,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:35,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:35,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:07:35,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:35,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:35,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:35,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,364 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 16:07:35,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:35,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:35,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,375 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 16:07:35,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:35,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:35,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,384 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 16:07:35,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:35,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:35,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:35,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:35,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:35,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:35,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:07:35,419 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 16:07:35,419 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:35,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:07:35,424 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:07:35,424 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:07:35,425 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2019-12-07 16:07:35,431 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 16:07:35,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:07:35,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:35,468 INFO L264 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:07:35,469 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:35,488 INFO L264 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-07 16:07:35,488 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:35,513 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:35,514 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 45 [2019-12-07 16:07:35,515 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:35,534 INFO L614 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2019-12-07 16:07:35,535 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:35,535 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2019-12-07 16:07:35,551 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 16:07:35,551 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:07:35,551 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand 5 states. [2019-12-07 16:07:35,626 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand 5 states. Result 99 states and 122 transitions. Complement of second has 18 states. [2019-12-07 16:07:35,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:07:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:07:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2019-12-07 16:07:35,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2019-12-07 16:07:35,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:35,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2019-12-07 16:07:35,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:35,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2019-12-07 16:07:35,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:35,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2019-12-07 16:07:35,631 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-12-07 16:07:35,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2019-12-07 16:07:35,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2019-12-07 16:07:35,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2019-12-07 16:07:35,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2019-12-07 16:07:35,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:07:35,635 INFO L688 BuchiCegarLoop]: Abstraction has 87 states and 110 transitions. [2019-12-07 16:07:35,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2019-12-07 16:07:35,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2019-12-07 16:07:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 16:07:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2019-12-07 16:07:35,644 INFO L711 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-12-07 16:07:35,644 INFO L591 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-12-07 16:07:35,644 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 16:07:35,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2019-12-07 16:07:35,646 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-12-07 16:07:35,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:07:35,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:07:35,647 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:35,647 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:35,648 INFO L794 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 498#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 499#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 524#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 560#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 535#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 559#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 558#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 485#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 484#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 487#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 496#recFINAL assume true; 519#recEXIT >#42#return; 544#L19-1 #res := #t~ret5;havoc #t~ret5; 543#recFINAL assume true; 534#recEXIT >#44#return; 522#L36-1 assume !(-1 == main_#t~ret12);main_#t~ite13 := 1; 513#L36-3 [2019-12-07 16:07:35,648 INFO L796 eck$LassoCheckResult]: Loop: 513#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem14;havoc main_#t~ret12;havoc main_#t~ite13; 514#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 545#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 540#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 526#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 527#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 550#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 538#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 527#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 550#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 551#recFINAL assume true; 549#recEXIT >#42#return; 539#L19-1 #res := #t~ret5;havoc #t~ret5; 547#recFINAL assume true; 537#recEXIT >#44#return; 533#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 513#L36-3 [2019-12-07 16:07:35,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:35,648 INFO L82 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2019-12-07 16:07:35,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:35,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464284633] [2019-12-07 16:07:35,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 16:07:35,749 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464284633] [2019-12-07 16:07:35,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846397659] [2019-12-07 16:07:35,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:07:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:35,783 INFO L264 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 26 conjunts are in the unsatisfiable core [2019-12-07 16:07:35,784 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:35,806 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:35,807 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 46 [2019-12-07 16:07:35,807 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:35,822 INFO L614 ElimStorePlain]: treesize reduction 20, result has 60.8 percent of original size [2019-12-07 16:07:35,822 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:35,822 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:9 [2019-12-07 16:07:35,858 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2019-12-07 16:07:35,858 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:35,861 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:35,861 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:35,861 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-12-07 16:07:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:07:35,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:07:35,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2019-12-07 16:07:35,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370487870] [2019-12-07 16:07:35,864 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:07:35,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:35,865 INFO L82 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2019-12-07 16:07:35,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:35,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744081815] [2019-12-07 16:07:35,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:35,893 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:36,126 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-12-07 16:07:36,680 WARN L192 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-12-07 16:07:36,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:07:36,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 16:07:36,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-12-07 16:07:36,782 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand 14 states. [2019-12-07 16:07:36,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:07:36,912 INFO L93 Difference]: Finished difference Result 85 states and 110 transitions. [2019-12-07 16:07:36,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 16:07:36,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 110 transitions. [2019-12-07 16:07:36,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:07:36,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 54 states and 67 transitions. [2019-12-07 16:07:36,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 16:07:36,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 16:07:36,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 67 transitions. [2019-12-07 16:07:36,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:07:36,918 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 67 transitions. [2019-12-07 16:07:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 67 transitions. [2019-12-07 16:07:36,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2019-12-07 16:07:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-12-07 16:07:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2019-12-07 16:07:36,923 INFO L711 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-12-07 16:07:36,923 INFO L591 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-12-07 16:07:36,923 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 16:07:36,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2019-12-07 16:07:36,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 16:07:36,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:07:36,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:07:36,925 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:07:36,925 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 16:07:36,925 INFO L794 eck$LassoCheckResult]: Stem: 754#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 749#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 750#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 747#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 748#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 755#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 779#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 777#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 752#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 774#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 751#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 753#recFINAL assume true; 770#recEXIT >#42#return; 769#L19-1 #res := #t~ret5;havoc #t~ret5; 768#recFINAL assume true; 767#recEXIT >#44#return; 763#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 759#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem14;havoc main_#t~ret12;havoc main_#t~ite13; 760#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 745#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 746#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 740#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 737#recENTRY [2019-12-07 16:07:36,925 INFO L796 eck$LassoCheckResult]: Loop: 737#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 739#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 738#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 737#recENTRY [2019-12-07 16:07:36,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:36,926 INFO L82 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2019-12-07 16:07:36,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:36,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757308231] [2019-12-07 16:07:36,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:36,953 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:36,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:36,953 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2019-12-07 16:07:36,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:36,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893602241] [2019-12-07 16:07:36,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:36,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:36,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:36,960 INFO L82 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2019-12-07 16:07:36,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:07:36,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170979472] [2019-12-07 16:07:36,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:07:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:07:36,993 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:07:37,414 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-12-07 16:07:38,622 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 231 DAG size of output: 192 [2019-12-07 16:07:38,972 WARN L192 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-12-07 16:07:39,256 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-12-07 16:07:39,442 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-12-07 16:07:39,444 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:07:39,444 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:07:39,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:07:39,444 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:07:39,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:07:39,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:39,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:07:39,445 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:07:39,445 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration5_Lasso [2019-12-07 16:07:39,445 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:07:39,445 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:07:39,447 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 16:07:39,448 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 16:07:39,449 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 16:07:39,450 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 16:07:39,452 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 16:07:39,459 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 16:07:39,460 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 16:07:39,461 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 16:07:39,463 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 16:07:39,464 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 16:07:39,467 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 16:07:39,468 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 16:07:39,469 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 16:07:39,470 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 16:07:39,472 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 16:07:39,473 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 16:07:39,474 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 16:07:39,475 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 16:07:39,476 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 16:07:39,477 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 16:07:39,479 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 16:07:39,481 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 16:07:39,482 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 16:07:39,483 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 16:07:39,484 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 16:07:39,485 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 16:07:39,486 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 16:07:39,650 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 16:07:39,651 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 16:07:39,651 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 16:07:39,652 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 16:07:39,653 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 16:07:39,654 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 16:07:39,655 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 16:07:40,088 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-07 16:07:40,124 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:07:40,124 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,127 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 16:07:40,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,133 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 16:07:40,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,135 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:07:40,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,146 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 16:07:40,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,152 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 16:07:40,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,159 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 16:07:40,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,167 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 16:07:40,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,177 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 16:07:40,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,185 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 16:07:40,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,192 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 16:07:40,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,198 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 16:07:40,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,204 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 16:07:40,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,210 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 16:07:40,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/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 16:07:40,217 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 16:07:40,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,224 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 16:07:40,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,230 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 16:07:40,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,237 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 16:07:40,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,242 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 16:07:40,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,249 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 16:07:40,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,255 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 16:07:40,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,261 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 16:07:40,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,263 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,266 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 16:07:40,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,272 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 16:07:40,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,278 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 16:07:40,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,284 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 16:07:40,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,290 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 16:07:40,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:07:40,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:07:40,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:07:40,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,296 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 16:07:40,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,307 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 16:07:40,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,315 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,318 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 16:07:40,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,326 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 16:07:40,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,334 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 16:07:40,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,348 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 16:07:40,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,350 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2019-12-07 16:07:40,350 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 16:07:40,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,366 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2019-12-07 16:07:40,366 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 16:07:40,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,405 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 16:07:40,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,413 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 16:07:40,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:07:40,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:07:40,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:07:40,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:07:40,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:07:40,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:07:40,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:07:40,437 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 16:07:40,437 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14139e21-cb86-4d49-8fa4-48515c2ab651/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:07:40,440 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:07:40,442 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 16:07:40,443 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:07:40,443 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2019-12-07 16:07:40,449 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-12-07 16:07:40,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:07:40,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:40,481 INFO L264 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 16:07:40,483 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:40,494 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:07:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:40,504 INFO L264 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 16:07:40,505 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:40,528 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:40,529 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-12-07 16:07:40,529 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:40,546 INFO L614 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-12-07 16:07:40,547 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:40,547 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-12-07 16:07:40,555 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 16:07:40,556 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:07:40,556 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 16:07:40,601 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 55 states and 65 transitions. Complement of second has 14 states. [2019-12-07 16:07:40,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:07:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:07:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 16:07:40,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-12-07 16:07:40,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:40,602 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 16:07:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:40,634 INFO L264 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 16:07:40,635 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:40,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:07:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:40,656 INFO L264 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 16:07:40,656 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:40,682 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:40,682 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-12-07 16:07:40,683 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:40,701 INFO L614 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-12-07 16:07:40,701 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:40,702 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-12-07 16:07:40,710 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 16:07:40,711 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:07:40,711 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 16:07:40,753 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 55 states and 65 transitions. Complement of second has 14 states. [2019-12-07 16:07:40,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:07:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:07:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 16:07:40,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-12-07 16:07:40,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:40,755 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 16:07:40,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:07:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:40,790 INFO L264 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 16:07:40,791 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:40,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:07:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:07:40,824 INFO L264 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 16:07:40,825 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:07:40,845 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:07:40,845 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-12-07 16:07:40,846 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:07:40,862 INFO L614 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-12-07 16:07:40,863 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:07:40,863 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-12-07 16:07:40,871 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 16:07:40,871 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:07:40,871 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 16:07:40,930 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 68 states and 78 transitions. Complement of second has 15 states. [2019-12-07 16:07:40,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:07:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 16:07:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-12-07 16:07:40,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2019-12-07 16:07:40,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:40,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2019-12-07 16:07:40,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:40,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2019-12-07 16:07:40,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:07:40,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2019-12-07 16:07:40,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:07:40,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2019-12-07 16:07:40,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:07:40,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:07:40,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:07:40,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:07:40,934 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:07:40,934 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:07:40,934 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:07:40,934 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 16:07:40,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:07:40,934 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:07:40,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:07:40,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:07:40 BoogieIcfgContainer [2019-12-07 16:07:40,938 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:07:40,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:07:40,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:07:40,939 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:07:40,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:07:31" (3/4) ... [2019-12-07 16:07:40,941 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:07:40,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:07:40,942 INFO L168 Benchmark]: Toolchain (without parser) took 10208.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 248.0 MB). Free memory was 943.5 MB in the beginning and 1.2 GB in the end (delta: -263.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:07:40,942 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:07:40,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:07:40,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.95 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 16:07:40,943 INFO L168 Benchmark]: Boogie Preprocessor took 14.44 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 16:07:40,943 INFO L168 Benchmark]: RCFGBuilder took 180.51 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:07:40,944 INFO L168 Benchmark]: BuchiAutomizer took 9758.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -130.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:07:40,944 INFO L168 Benchmark]: Witness Printer took 2.70 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:07:40,945 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.95 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. * Boogie Preprocessor took 14.44 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 180.51 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9758.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -130.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.70 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 82 SDtfs, 59 SDslu, 158 SDs, 0 SdLazy, 271 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital388 mio100 ax100 hnf100 lsp98 ukn42 mio100 lsp29 div100 bol100 ite100 ukn100 eq192 hnf90 smp100 dnf417 smp79 tf100 neg86 sie150 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 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...