./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.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_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 b4afea49cf97a69d20f4a5a7301b61ef07ffc206 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:56:37,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:56:37,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:56:37,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:56:37,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:56:37,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:56:37,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:56:37,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:56:37,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:56:37,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:56:37,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:56:37,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:56:37,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:56:37,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:56:37,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:56:37,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:56:37,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:56:37,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:56:37,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:56:37,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:56:37,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:56:37,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:56:37,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:56:37,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:56:37,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:56:37,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:56:37,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:56:37,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:56:37,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:56:37,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:56:37,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:56:37,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:56:37,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:56:37,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:56:37,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:56:37,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:56:37,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:56:37,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:56:37,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:56:37,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:56:37,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:56:37,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 11:56:37,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:56:37,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:56:37,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:56:37,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:56:37,903 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:56:37,903 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:56:37,903 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:56:37,904 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:56:37,904 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:56:37,904 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:56:37,904 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:56:37,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:56:37,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:56:37,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:56:37,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:56:37,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:56:37,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:56:37,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:56:37,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:56:37,906 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:56:37,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:56:37,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:56:37,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:56:37,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:56:37,907 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:56:37,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:56:37,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:56:37,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:56:37,907 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:56:37,908 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:56:37,908 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_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 -> b4afea49cf97a69d20f4a5a7301b61ef07ffc206 [2019-12-07 11:56:38,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:56:38,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:56:38,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:56:38,024 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:56:38,024 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:56:38,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2019-12-07 11:56:38,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/data/b4567d304/453721e4cbf249f0b0995bfc22e14edd/FLAGe34152608 [2019-12-07 11:56:38,496 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:56:38,496 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2019-12-07 11:56:38,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/data/b4567d304/453721e4cbf249f0b0995bfc22e14edd/FLAGe34152608 [2019-12-07 11:56:38,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/data/b4567d304/453721e4cbf249f0b0995bfc22e14edd [2019-12-07 11:56:38,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:56:38,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:56:38,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:56:38,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:56:38,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:56:38,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:56:38" (1/1) ... [2019-12-07 11:56:38,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f11460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:38, skipping insertion in model container [2019-12-07 11:56:38,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:56:38" (1/1) ... [2019-12-07 11:56:38,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:56:38,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:56:39,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:56:39,078 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:56:39,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:56:39,133 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:56:39,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39 WrapperNode [2019-12-07 11:56:39,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:56:39,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:56:39,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:56:39,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:56:39,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:56:39,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:56:39,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:56:39,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:56:39,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... [2019-12-07 11:56:39,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:56:39,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:56:39,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:56:39,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:56:39,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 11:56:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 11:56:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:56:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 11:56:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:56:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:56:39,373 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:56:39,374 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 11:56:39,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:56:39 BoogieIcfgContainer [2019-12-07 11:56:39,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:56:39,375 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:56:39,375 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:56:39,377 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:56:39,377 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:56:39,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:56:38" (1/3) ... [2019-12-07 11:56:39,378 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@741aa846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:56:39, skipping insertion in model container [2019-12-07 11:56:39,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:56:39,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:56:39" (2/3) ... [2019-12-07 11:56:39,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@741aa846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:56:39, skipping insertion in model container [2019-12-07 11:56:39,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:56:39,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:56:39" (3/3) ... [2019-12-07 11:56:39,380 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.01_assume-alloca.i [2019-12-07 11:56:39,407 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:56:39,407 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:56:39,407 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:56:39,407 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:56:39,407 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:56:39,407 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:56:39,407 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:56:39,407 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:56:39,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 11:56:39,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 11:56:39,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:39,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:39,434 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:56:39,434 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:56:39,434 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:56:39,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 11:56:39,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 11:56:39,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:39,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:39,435 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:56:39,435 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:56:39,440 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 12#L553-3true [2019-12-07 11:56:39,440 INFO L796 eck$LassoCheckResult]: Loop: 12#L553-3true call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 9#L553-1true assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 13#L555-5true assume !true; 16#L555-6true call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 12#L553-3true [2019-12-07 11:56:39,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,444 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 11:56:39,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329537884] [2019-12-07 11:56:39,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:39,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1144712, now seen corresponding path program 1 times [2019-12-07 11:56:39,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079562347] [2019-12-07 11:56:39,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:39,570 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 11:56:39,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079562347] [2019-12-07 11:56:39,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:39,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:56:39,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522201407] [2019-12-07 11:56:39,574 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 11:56:39,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:39,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:56:39,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:56:39,585 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-12-07 11:56:39,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:39,590 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-12-07 11:56:39,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:56:39,591 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-12-07 11:56:39,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 11:56:39,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 11 transitions. [2019-12-07 11:56:39,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-12-07 11:56:39,595 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 11:56:39,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2019-12-07 11:56:39,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:56:39,596 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 11:56:39,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2019-12-07 11:56:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-12-07 11:56:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 11:56:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-12-07 11:56:39,613 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 11:56:39,613 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-12-07 11:56:39,613 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:56:39,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2019-12-07 11:56:39,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 11:56:39,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:39,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:39,614 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:56:39,614 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:56:39,614 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 37#L553-3 [2019-12-07 11:56:39,614 INFO L796 eck$LassoCheckResult]: Loop: 37#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 39#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 40#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 44#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 41#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 42#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 37#L553-3 [2019-12-07 11:56:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,615 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-12-07 11:56:39,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062730505] [2019-12-07 11:56:39,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1099516500, now seen corresponding path program 1 times [2019-12-07 11:56:39,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609547965] [2019-12-07 11:56:39,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:39,681 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 11:56:39,681 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609547965] [2019-12-07 11:56:39,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:56:39,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:56:39,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930715672] [2019-12-07 11:56:39,682 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 11:56:39,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:39,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:56:39,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:56:39,683 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand 5 states. [2019-12-07 11:56:39,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:39,741 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-12-07 11:56:39,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:56:39,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-12-07 11:56:39,743 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2019-12-07 11:56:39,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2019-12-07 11:56:39,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-12-07 11:56:39,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-12-07 11:56:39,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2019-12-07 11:56:39,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:56:39,744 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-12-07 11:56:39,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2019-12-07 11:56:39,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-12-07 11:56:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-07 11:56:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-12-07 11:56:39,745 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 11:56:39,745 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-12-07 11:56:39,745 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 11:56:39,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-12-07 11:56:39,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-12-07 11:56:39,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:39,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:39,746 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:56:39,746 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:56:39,746 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 72#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 73#L553-3 [2019-12-07 11:56:39,746 INFO L796 eck$LassoCheckResult]: Loop: 73#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 75#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 76#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 80#L555-1 assume !test_fun_#t~short8; 83#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 81#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 73#L553-3 [2019-12-07 11:56:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,746 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2019-12-07 11:56:39,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805539128] [2019-12-07 11:56:39,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,764 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:39,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1099518422, now seen corresponding path program 1 times [2019-12-07 11:56:39,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435956807] [2019-12-07 11:56:39,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,780 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:39,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:39,781 INFO L82 PathProgramCache]: Analyzing trace with hash 179567640, now seen corresponding path program 1 times [2019-12-07 11:56:39,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:39,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168503218] [2019-12-07 11:56:39,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:39,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:40,037 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-12-07 11:56:40,092 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:56:40,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:56:40,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:56:40,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:56:40,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:56:40,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:40,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:56:40,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:56:40,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration3_Lasso [2019-12-07 11:56:40,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:56:40,094 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:56:40,108 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 11:56:40,112 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 11:56:40,113 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 11:56:40,114 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 11:56:40,116 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 11:56:40,117 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 11:56:40,119 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 11:56:40,121 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 11:56:40,122 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 11:56:40,124 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 11:56:40,125 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 11:56:40,127 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 11:56:40,129 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 11:56:40,303 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 11:56:40,305 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 11:56:40,306 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 11:56:40,308 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 11:56:40,310 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 11:56:40,312 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 11:56:40,563 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:56:40,566 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,570 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 11:56:40,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,581 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 11:56:40,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,589 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 11:56:40,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,596 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 11:56:40,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,604 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 11:56:40,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:40,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,621 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 11:56:40,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,628 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 11:56:40,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,635 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 11:56:40,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,641 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,646 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 11:56:40,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,654 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 11:56:40,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,664 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 11:56:40,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:40,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:40,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:40,667 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:40,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,683 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 11:56:40,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,695 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 11:56:40,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,712 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 11:56:40,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,721 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 11:56:40,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:40,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:40,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:40,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:40,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:40,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:40,731 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:56:40,740 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 11:56:40,741 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:40,744 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:56:40,747 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 11:56:40,747 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:56:40,747 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 + 1 Supporting invariants [] [2019-12-07 11:56:40,772 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 11:56:40,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:56:40,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:40,810 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:56:40,811 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:40,820 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 11:56:40,821 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:40,863 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 30 treesize of output 25 [2019-12-07 11:56:40,864 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:40,871 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:40,871 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 11:56:40,872 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:30 [2019-12-07 11:56:40,902 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 11:56:40,905 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 11:56:40,905 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-12-07 11:56:40,980 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 31 states and 40 transitions. Complement of second has 8 states. [2019-12-07 11:56:40,980 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 11:56:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 11:56:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2019-12-07 11:56:40,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 11:56:40,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:40,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 11:56:40,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:40,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 12 letters. [2019-12-07 11:56:40,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:40,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2019-12-07 11:56:40,985 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-12-07 11:56:40,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2019-12-07 11:56:40,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-12-07 11:56:40,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-12-07 11:56:40,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2019-12-07 11:56:40,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:40,987 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2019-12-07 11:56:40,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2019-12-07 11:56:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2019-12-07 11:56:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 11:56:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-12-07 11:56:40,990 INFO L711 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-12-07 11:56:40,990 INFO L591 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-12-07 11:56:40,990 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 11:56:40,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2019-12-07 11:56:40,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-12-07 11:56:40,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:40,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:40,991 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 11:56:40,991 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 11:56:40,991 INFO L794 eck$LassoCheckResult]: Stem: 217#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 215#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 216#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 222#L553-1 [2019-12-07 11:56:40,992 INFO L796 eck$LassoCheckResult]: Loop: 222#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 223#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 228#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 218#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 219#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 226#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 237#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 236#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 232#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 230#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 222#L553-1 [2019-12-07 11:56:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:40,992 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 11:56:40,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:40,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354525420] [2019-12-07 11:56:40,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,010 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:41,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:41,011 INFO L82 PathProgramCache]: Analyzing trace with hash 15750502, now seen corresponding path program 1 times [2019-12-07 11:56:41,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:41,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705901309] [2019-12-07 11:56:41,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:41,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705901309] [2019-12-07 11:56:41,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924193674] [2019-12-07 11:56:41,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:56:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:41,078 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 11:56:41,078 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:41,081 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 11:56:41,081 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:41,083 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:41,083 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:41,083 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 11:56:41,087 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 0 case distinctions, treesize of input 25 treesize of output 13 [2019-12-07 11:56:41,090 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:41,092 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:41,092 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:41,093 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-12-07 11:56:41,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:41,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:56:41,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2019-12-07 11:56:41,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664713937] [2019-12-07 11:56:41,104 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 11:56:41,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:41,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:56:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:56:41,105 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand 7 states. [2019-12-07 11:56:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:41,163 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2019-12-07 11:56:41,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:56:41,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 60 transitions. [2019-12-07 11:56:41,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2019-12-07 11:56:41,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 60 transitions. [2019-12-07 11:56:41,165 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2019-12-07 11:56:41,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-12-07 11:56:41,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 60 transitions. [2019-12-07 11:56:41,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:41,166 INFO L688 BuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2019-12-07 11:56:41,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 60 transitions. [2019-12-07 11:56:41,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34. [2019-12-07 11:56:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 11:56:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2019-12-07 11:56:41,168 INFO L711 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-12-07 11:56:41,168 INFO L591 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2019-12-07 11:56:41,168 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 11:56:41,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2019-12-07 11:56:41,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2019-12-07 11:56:41,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:41,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:41,169 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 11:56:41,169 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:56:41,170 INFO L794 eck$LassoCheckResult]: Stem: 331#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 329#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 330#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 332#L553-1 [2019-12-07 11:56:41,170 INFO L796 eck$LassoCheckResult]: Loop: 332#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 333#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 344#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 336#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 337#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 340#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 353#L555-1 assume !test_fun_#t~short8; 350#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 346#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 342#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 332#L553-1 [2019-12-07 11:56:41,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:41,170 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-12-07 11:56:41,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:41,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853972920] [2019-12-07 11:56:41,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,181 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:41,182 INFO L82 PathProgramCache]: Analyzing trace with hash 15810084, now seen corresponding path program 1 times [2019-12-07 11:56:41,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:41,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675294358] [2019-12-07 11:56:41,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,197 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:41,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:41,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1871610631, now seen corresponding path program 1 times [2019-12-07 11:56:41,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:41,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385216583] [2019-12-07 11:56:41,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:41,220 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:41,355 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-12-07 11:56:41,511 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-12-07 11:56:41,562 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:56:41,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:56:41,563 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:56:41,563 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:56:41,563 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:56:41,563 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:41,563 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:56:41,563 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:56:41,563 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration5_Lasso [2019-12-07 11:56:41,563 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:56:41,563 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:56:41,565 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 11:56:41,567 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 11:56:41,568 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 11:56:41,570 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 11:56:41,571 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 11:56:41,572 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 11:56:41,573 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 11:56:41,575 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 11:56:41,576 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 11:56:41,577 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 11:56:41,578 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 11:56:41,580 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 11:56:41,581 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 11:56:41,582 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 11:56:41,583 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 11:56:41,584 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 11:56:41,586 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 11:56:41,587 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 11:56:41,589 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 11:56:41,963 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:56:41,964 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:41,967 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 11:56:41,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:41,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:41,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:41,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:41,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:41,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:41,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:41,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:41,974 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 11:56:41,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:41,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:41,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:41,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:41,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:41,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:41,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:41,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:41,981 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 11:56:41,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:41,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:41,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:41,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:41,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:41,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:41,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:41,989 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 11:56:41,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:41,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:41,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:41,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:41,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:41,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:41,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:41,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:41,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:41,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:41,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:41,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:41,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:41,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:41,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:41,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:41,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:42,002 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 11:56:42,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,008 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 11:56:42,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,017 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 11:56:42,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:42,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:42,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,040 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 11:56:42,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,046 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 11:56:42,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,054 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 11:56:42,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,060 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 11:56:42,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,067 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 11:56:42,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,073 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 11:56:42,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,082 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 11:56:42,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,090 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 11:56:42,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:42,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:42,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:42,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,096 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 11:56:42,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,114 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 11:56:42,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,124 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 11:56:42,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,135 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 11:56:42,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,146 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 11:56:42,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:42,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:42,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:42,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:42,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:42,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:42,157 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:56:42,169 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 11:56:42,170 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:42,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:56:42,184 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 11:56:42,185 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:56:42,185 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 Supporting invariants [] [2019-12-07 11:56:42,211 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 11:56:42,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:56:42,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:42,230 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:42,230 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:42,239 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 11:56:42,240 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:42,253 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:42,253 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 19 treesize of output 42 [2019-12-07 11:56:42,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,254 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:42,268 INFO L614 ElimStorePlain]: treesize reduction 16, result has 59.0 percent of original size [2019-12-07 11:56:42,268 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:42,268 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:23 [2019-12-07 11:56:42,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,356 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:42,356 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 69 [2019-12-07 11:56:42,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:56:42,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,359 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:42,394 INFO L614 ElimStorePlain]: treesize reduction 40, result has 54.0 percent of original size [2019-12-07 11:56:42,394 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:42,395 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:47 [2019-12-07 11:56:42,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,551 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-12-07 11:56:42,800 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-12-07 11:56:42,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:42,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 11:56:42,811 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:42,811 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 29 [2019-12-07 11:56:42,812 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:42,815 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 29 [2019-12-07 11:56:42,815 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:42,831 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:42,832 INFO L534 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-12-07 11:56:42,833 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:109, output treesize:71 [2019-12-07 11:56:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:42,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2019-12-07 11:56:42,880 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 13 Second operand 10 states. [2019-12-07 11:56:43,208 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-12-07 11:56:43,349 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 45 transitions. cyclomatic complexity: 13. Second operand 10 states. Result 118 states and 150 transitions. Complement of second has 19 states. [2019-12-07 11:56:43,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2019-12-07 11:56:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-12-07 11:56:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 29 transitions. [2019-12-07 11:56:43,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 3 letters. Loop has 10 letters. [2019-12-07 11:56:43,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:43,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 13 letters. Loop has 10 letters. [2019-12-07 11:56:43,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:43,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 29 transitions. Stem has 3 letters. Loop has 20 letters. [2019-12-07 11:56:43,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:43,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 150 transitions. [2019-12-07 11:56:43,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 31 [2019-12-07 11:56:43,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 113 states and 145 transitions. [2019-12-07 11:56:43,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2019-12-07 11:56:43,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2019-12-07 11:56:43,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 145 transitions. [2019-12-07 11:56:43,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:43,355 INFO L688 BuchiCegarLoop]: Abstraction has 113 states and 145 transitions. [2019-12-07 11:56:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 145 transitions. [2019-12-07 11:56:43,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2019-12-07 11:56:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 11:56:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2019-12-07 11:56:43,360 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 131 transitions. [2019-12-07 11:56:43,360 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 131 transitions. [2019-12-07 11:56:43,360 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 11:56:43,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 131 transitions. [2019-12-07 11:56:43,361 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2019-12-07 11:56:43,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:43,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:43,362 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 11:56:43,362 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 1, 1, 1, 1] [2019-12-07 11:56:43,362 INFO L794 eck$LassoCheckResult]: Stem: 617#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 615#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 616#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 679#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 619#L555-5 [2019-12-07 11:56:43,362 INFO L796 eck$LassoCheckResult]: Loop: 619#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 637#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 622#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 623#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 626#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 629#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 662#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 659#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 658#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 642#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 643#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 634#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 631#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 618#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 619#L555-5 [2019-12-07 11:56:43,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:43,362 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 11:56:43,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:43,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418208385] [2019-12-07 11:56:43,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,372 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:43,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:43,373 INFO L82 PathProgramCache]: Analyzing trace with hash 527155748, now seen corresponding path program 2 times [2019-12-07 11:56:43,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:43,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398418802] [2019-12-07 11:56:43,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,396 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:43,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:43,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1781235253, now seen corresponding path program 1 times [2019-12-07 11:56:43,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:43,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160265027] [2019-12-07 11:56:43,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:43,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160265027] [2019-12-07 11:56:43,438 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434448061] [2019-12-07 11:56:43,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:56:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:43,472 INFO L264 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 11:56:43,473 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:43,476 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 11:56:43,476 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:43,477 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:43,478 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:43,478 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 11:56:43,480 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 0 case distinctions, treesize of input 25 treesize of output 13 [2019-12-07 11:56:43,481 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:43,482 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:43,482 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:43,482 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-12-07 11:56:43,488 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 0 case distinctions, treesize of input 25 treesize of output 13 [2019-12-07 11:56:43,489 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:43,490 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:43,491 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:43,491 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:7 [2019-12-07 11:56:43,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:43,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:56:43,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2019-12-07 11:56:43,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328023319] [2019-12-07 11:56:43,763 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 95 [2019-12-07 11:56:43,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:43,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 11:56:43,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-07 11:56:43,792 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. cyclomatic complexity: 38 Second operand 9 states. [2019-12-07 11:56:43,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:43,878 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2019-12-07 11:56:43,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 11:56:43,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 177 transitions. [2019-12-07 11:56:43,880 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2019-12-07 11:56:43,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 139 states and 175 transitions. [2019-12-07 11:56:43,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2019-12-07 11:56:43,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 51 [2019-12-07 11:56:43,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 175 transitions. [2019-12-07 11:56:43,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:43,882 INFO L688 BuchiCegarLoop]: Abstraction has 139 states and 175 transitions. [2019-12-07 11:56:43,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 175 transitions. [2019-12-07 11:56:43,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 109. [2019-12-07 11:56:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-12-07 11:56:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 143 transitions. [2019-12-07 11:56:43,890 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 143 transitions. [2019-12-07 11:56:43,890 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 143 transitions. [2019-12-07 11:56:43,890 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 11:56:43,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 143 transitions. [2019-12-07 11:56:43,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2019-12-07 11:56:43,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:43,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:43,892 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 11:56:43,892 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-07 11:56:43,892 INFO L794 eck$LassoCheckResult]: Stem: 928#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 926#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 927#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 985#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 930#L555-5 [2019-12-07 11:56:43,892 INFO L796 eck$LassoCheckResult]: Loop: 930#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 943#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 968#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 966#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 967#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 947#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 933#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 934#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 937#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 965#L555-1 assume !test_fun_#t~short8; 981#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 980#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 969#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 929#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 930#L555-5 [2019-12-07 11:56:43,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:43,892 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2019-12-07 11:56:43,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:43,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513836784] [2019-12-07 11:56:43,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:43,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:43,905 INFO L82 PathProgramCache]: Analyzing trace with hash 529002790, now seen corresponding path program 2 times [2019-12-07 11:56:43,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:43,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188362864] [2019-12-07 11:56:43,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,922 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:43,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:43,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1779388211, now seen corresponding path program 2 times [2019-12-07 11:56:43,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:43,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512764372] [2019-12-07 11:56:43,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:43,949 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:44,265 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 92 [2019-12-07 11:56:44,579 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-12-07 11:56:44,672 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:56:44,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:56:44,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:56:44,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:56:44,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:56:44,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:44,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:56:44,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:56:44,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration7_Lasso [2019-12-07 11:56:44,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:56:44,673 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:56:44,675 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 11:56:44,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:56:44,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:56:44,682 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 11:56:44,685 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 11:56:44,687 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 11:56:44,689 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 11:56:44,692 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 11:56:44,694 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 11:56:44,696 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 11:56:44,698 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 11:56:44,700 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 11:56:44,701 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 11:56:44,702 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 11:56:44,704 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 11:56:44,705 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 11:56:44,707 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 11:56:44,708 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 11:56:44,709 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 11:56:44,865 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 11:56:45,084 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:56:45,085 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,087 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 11:56:45,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,094 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 11:56:45,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,099 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 11:56:45,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,106 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 11:56:45,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,114 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 11:56:45,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,120 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 11:56:45,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:45,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:45,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:45,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,147 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 11:56:45,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:45,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,162 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 11:56:45,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,168 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 11:56:45,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,176 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 11:56:45,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,182 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 11:56:45,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/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 11:56:45,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:45,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:45,197 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 11:56:45,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:45,203 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 11:56:45,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:45,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:45,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:45,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:45,210 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 11:56:45,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:45,219 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 11:56:45,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:45,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:45,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:45,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:45,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:45,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:45,231 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:56:45,246 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 11:56:45,246 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:45,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:56:45,251 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 11:56:45,251 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:56:45,251 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 Supporting invariants [] [2019-12-07 11:56:45,282 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 11:56:45,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:56:45,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:45,297 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:45,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:45,307 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 11:56:45,308 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:45,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:45,359 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:45,359 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-12-07 11:56:45,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:56:45,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:45,361 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:45,406 INFO L614 ElimStorePlain]: treesize reduction 24, result has 82.6 percent of original size [2019-12-07 11:56:45,407 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:45,407 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:114 [2019-12-07 11:56:45,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:45,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:45,459 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:45,459 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 37 [2019-12-07 11:56:45,460 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:45,465 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 37 [2019-12-07 11:56:45,466 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:45,489 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:45,489 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 11:56:45,489 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:125, output treesize:121 [2019-12-07 11:56:45,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:45,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 11:56:45,537 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:45,537 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 48 [2019-12-07 11:56:45,538 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:45,541 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 48 [2019-12-07 11:56:45,541 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:45,564 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:45,564 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 11:56:45,564 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:121 [2019-12-07 11:56:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:45,601 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2019-12-07 11:56:45,601 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40 Second operand 8 states. [2019-12-07 11:56:46,277 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40. Second operand 8 states. Result 281 states and 357 transitions. Complement of second has 27 states. [2019-12-07 11:56:46,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 1 stem states 12 non-accepting loop states 1 accepting loop states [2019-12-07 11:56:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 11:56:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 32 transitions. [2019-12-07 11:56:46,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 32 transitions. Stem has 4 letters. Loop has 14 letters. [2019-12-07 11:56:46,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:46,278 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 11:56:46,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:46,292 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:46,292 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:46,303 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 11:56:46,304 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:46,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:46,365 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:46,365 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-12-07 11:56:46,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:56:46,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:46,367 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:46,405 INFO L614 ElimStorePlain]: treesize reduction 24, result has 82.6 percent of original size [2019-12-07 11:56:46,405 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:46,405 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:114 [2019-12-07 11:56:46,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:46,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:46,443 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:46,444 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 37 [2019-12-07 11:56:46,444 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:46,448 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 37 [2019-12-07 11:56:46,449 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:46,471 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:46,472 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 11:56:46,472 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:125, output treesize:121 [2019-12-07 11:56:46,505 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:46,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 11:56:46,514 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:46,515 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 48 [2019-12-07 11:56:46,515 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:46,520 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 48 [2019-12-07 11:56:46,520 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:46,543 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:46,543 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-12-07 11:56:46,543 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:121 [2019-12-07 11:56:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:56:46,584 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2019-12-07 11:56:46,584 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40 Second operand 8 states. [2019-12-07 11:56:47,058 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2019-12-07 11:56:47,383 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-12-07 11:56:47,811 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 109 states and 143 transitions. cyclomatic complexity: 40. Second operand 8 states. Result 361 states and 453 transitions. Complement of second has 31 states. [2019-12-07 11:56:47,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 1 stem states 14 non-accepting loop states 1 accepting loop states [2019-12-07 11:56:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 11:56:47,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 35 transitions. [2019-12-07 11:56:47,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 35 transitions. Stem has 4 letters. Loop has 14 letters. [2019-12-07 11:56:47,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:47,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 35 transitions. Stem has 18 letters. Loop has 14 letters. [2019-12-07 11:56:47,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:47,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 35 transitions. Stem has 4 letters. Loop has 28 letters. [2019-12-07 11:56:47,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:47,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 361 states and 453 transitions. [2019-12-07 11:56:47,816 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 38 [2019-12-07 11:56:47,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 361 states to 290 states and 370 transitions. [2019-12-07 11:56:47,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2019-12-07 11:56:47,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-12-07 11:56:47,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 290 states and 370 transitions. [2019-12-07 11:56:47,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:47,820 INFO L688 BuchiCegarLoop]: Abstraction has 290 states and 370 transitions. [2019-12-07 11:56:47,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states and 370 transitions. [2019-12-07 11:56:47,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 233. [2019-12-07 11:56:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-12-07 11:56:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 304 transitions. [2019-12-07 11:56:47,832 INFO L711 BuchiCegarLoop]: Abstraction has 233 states and 304 transitions. [2019-12-07 11:56:47,832 INFO L591 BuchiCegarLoop]: Abstraction has 233 states and 304 transitions. [2019-12-07 11:56:47,832 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 11:56:47,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 233 states and 304 transitions. [2019-12-07 11:56:47,833 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-12-07 11:56:47,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:47,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:47,834 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 11:56:47,834 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:56:47,834 INFO L794 eck$LassoCheckResult]: Stem: 1956#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1954#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1955#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 1957#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1958#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 1971#L555-1 [2019-12-07 11:56:47,834 INFO L796 eck$LassoCheckResult]: Loop: 1971#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 1962#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 1963#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 1966#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 1971#L555-1 [2019-12-07 11:56:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2019-12-07 11:56:47,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:47,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554413948] [2019-12-07 11:56:47,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:47,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:47,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1547289, now seen corresponding path program 1 times [2019-12-07 11:56:47,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:47,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809291433] [2019-12-07 11:56:47,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:47,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:47,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:47,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1271571777, now seen corresponding path program 1 times [2019-12-07 11:56:47,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:47,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749712609] [2019-12-07 11:56:47,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:47,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:48,239 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-12-07 11:56:48,628 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2019-12-07 11:56:48,631 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:56:48,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:56:48,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:56:48,631 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:56:48,631 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:56:48,631 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:48,631 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:56:48,631 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:56:48,631 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration8_Lasso [2019-12-07 11:56:48,631 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:56:48,632 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:56:48,636 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 11:56:48,638 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 11:56:48,639 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 11:56:48,640 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 11:56:48,641 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 11:56:48,643 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 11:56:48,644 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 11:56:48,645 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 11:56:48,646 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 11:56:48,647 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 11:56:49,089 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-12-07 11:56:49,186 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 11:56:49,188 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 11:56:49,189 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 11:56:49,192 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 11:56:49,193 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 11:56:49,195 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 11:56:49,528 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2019-12-07 11:56:49,638 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:56:49,638 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,641 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 11:56:49,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:49,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:49,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:49,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,646 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 11:56:49,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,654 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 11:56:49,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:49,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:49,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:49,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:49,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:49,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:49,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:49,664 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,670 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 11:56:49,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,678 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 11:56:49,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:49,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:49,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:49,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,685 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 11:56:49,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:49,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:49,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:49,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,691 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 11:56:49,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,694 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,699 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 11:56:49,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:49,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:49,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:49,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,706 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 11:56:49,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,719 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 11:56:49,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,737 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 11:56:49,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,745 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 11:56:49,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:49,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:49,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:49,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:49,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,755 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 11:56:49,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:49,757 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 11:56:49,757 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:56:49,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:49,773 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 11:56:49,774 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:56:49,839 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:56:49,886 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 11:56:49,886 INFO L444 ModelExtractionUtils]: 20 out of 46 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:49,888 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:56:49,891 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-12-07 11:56:49,891 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:56:49,891 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_4 + 2147483647 Supporting invariants [] [2019-12-07 11:56:49,927 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 11:56:49,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:56:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:49,948 INFO L264 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:49,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:49,954 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:56:49,954 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:49,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:49,987 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 0 case distinctions, treesize of input 43 treesize of output 23 [2019-12-07 11:56:49,987 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:49,994 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:49,994 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:49,994 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2019-12-07 11:56:50,009 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 11:56:50,009 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 11:56:50,009 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 233 states and 304 transitions. cyclomatic complexity: 84 Second operand 5 states. [2019-12-07 11:56:50,038 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 233 states and 304 transitions. cyclomatic complexity: 84. Second operand 5 states. Result 372 states and 485 transitions. Complement of second has 9 states. [2019-12-07 11:56:50,047 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 11:56:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:56:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2019-12-07 11:56:50,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 11:56:50,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:50,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 11:56:50,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:50,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 8 letters. [2019-12-07 11:56:50,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:50,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 485 transitions. [2019-12-07 11:56:50,052 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-12-07 11:56:50,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 317 states and 410 transitions. [2019-12-07 11:56:50,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2019-12-07 11:56:50,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2019-12-07 11:56:50,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 410 transitions. [2019-12-07 11:56:50,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:50,055 INFO L688 BuchiCegarLoop]: Abstraction has 317 states and 410 transitions. [2019-12-07 11:56:50,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 410 transitions. [2019-12-07 11:56:50,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 266. [2019-12-07 11:56:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-12-07 11:56:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 349 transitions. [2019-12-07 11:56:50,062 INFO L711 BuchiCegarLoop]: Abstraction has 266 states and 349 transitions. [2019-12-07 11:56:50,062 INFO L591 BuchiCegarLoop]: Abstraction has 266 states and 349 transitions. [2019-12-07 11:56:50,062 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 11:56:50,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 266 states and 349 transitions. [2019-12-07 11:56:50,063 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-12-07 11:56:50,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:50,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:50,063 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:56:50,064 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:56:50,064 INFO L794 eck$LassoCheckResult]: Stem: 2661#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 2659#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2660#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 2676#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2842#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 2807#L555-1 assume !test_fun_#t~short8; 2737#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 2732#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 2686#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 2687#L553-1 [2019-12-07 11:56:50,064 INFO L796 eck$LassoCheckResult]: Loop: 2687#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2735#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 2725#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 2662#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 2663#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 2707#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 2693#L555-1 assume !test_fun_#t~short8; 2695#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 2679#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 2680#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 2687#L553-1 [2019-12-07 11:56:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:50,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629551, now seen corresponding path program 2 times [2019-12-07 11:56:50,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:50,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955288660] [2019-12-07 11:56:50,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:50,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:50,074 INFO L82 PathProgramCache]: Analyzing trace with hash 15810084, now seen corresponding path program 3 times [2019-12-07 11:56:50,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:50,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620578495] [2019-12-07 11:56:50,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1831564178, now seen corresponding path program 3 times [2019-12-07 11:56:50,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:50,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732055007] [2019-12-07 11:56:50,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 11:56:50,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732055007] [2019-12-07 11:56:50,155 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148504513] [2019-12-07 11:56:50,155 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:56:50,189 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-12-07 11:56:50,189 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 11:56:50,189 INFO L264 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-07 11:56:50,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:50,194 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-12-07 11:56:50,194 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,195 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,196 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,196 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2019-12-07 11:56:50,199 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 11:56:50,199 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,202 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,202 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,202 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2019-12-07 11:56:50,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,236 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2019-12-07 11:56:50,237 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,241 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,241 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,241 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:25 [2019-12-07 11:56:50,250 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-12-07 11:56:50,250 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,255 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,255 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,255 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-12-07 11:56:50,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 11:56:50,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:56:50,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2019-12-07 11:56:50,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473623371] [2019-12-07 11:56:50,406 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-12-07 11:56:50,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:50,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 11:56:50,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:56:50,432 INFO L87 Difference]: Start difference. First operand 266 states and 349 transitions. cyclomatic complexity: 98 Second operand 12 states. [2019-12-07 11:56:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:50,509 INFO L93 Difference]: Finished difference Result 313 states and 355 transitions. [2019-12-07 11:56:50,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 11:56:50,510 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 313 states and 355 transitions. [2019-12-07 11:56:50,511 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 38 [2019-12-07 11:56:50,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 313 states to 139 states and 158 transitions. [2019-12-07 11:56:50,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2019-12-07 11:56:50,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2019-12-07 11:56:50,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 158 transitions. [2019-12-07 11:56:50,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:50,512 INFO L688 BuchiCegarLoop]: Abstraction has 139 states and 158 transitions. [2019-12-07 11:56:50,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 158 transitions. [2019-12-07 11:56:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 130. [2019-12-07 11:56:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 11:56:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2019-12-07 11:56:50,515 INFO L711 BuchiCegarLoop]: Abstraction has 130 states and 149 transitions. [2019-12-07 11:56:50,515 INFO L591 BuchiCegarLoop]: Abstraction has 130 states and 149 transitions. [2019-12-07 11:56:50,515 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 11:56:50,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 149 transitions. [2019-12-07 11:56:50,515 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 37 [2019-12-07 11:56:50,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:50,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:50,516 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:56:50,516 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-07 11:56:50,516 INFO L794 eck$LassoCheckResult]: Stem: 3315#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3313#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3314#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3359#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3358#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3353#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3354#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3349#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3350#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3346#L555-1 assume !test_fun_#t~short8; 3345#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 3344#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 3342#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3330#L553-1 [2019-12-07 11:56:50,516 INFO L796 eck$LassoCheckResult]: Loop: 3330#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3409#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3406#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3404#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3402#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3399#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3397#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3394#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3395#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3388#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3389#L555-1 assume !test_fun_#t~short8; 3340#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 3341#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 3329#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3330#L553-1 [2019-12-07 11:56:50,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:50,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1871610631, now seen corresponding path program 4 times [2019-12-07 11:56:50,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:50,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081991056] [2019-12-07 11:56:50,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,528 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:50,528 INFO L82 PathProgramCache]: Analyzing trace with hash 535533500, now seen corresponding path program 4 times [2019-12-07 11:56:50,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:50,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058253750] [2019-12-07 11:56:50,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:50,542 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:50,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:50,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1585620926, now seen corresponding path program 5 times [2019-12-07 11:56:50,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:50,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287406041] [2019-12-07 11:56:50,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 11:56:50,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287406041] [2019-12-07 11:56:50,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014491368] [2019-12-07 11:56:50,652 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:56:50,697 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2019-12-07 11:56:50,697 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 11:56:50,698 INFO L264 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 11:56:50,699 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:50,701 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 11:56:50,702 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,703 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,703 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,703 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 11:56:50,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,754 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,755 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 63 [2019-12-07 11:56:50,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:56:50,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,756 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,776 INFO L614 ElimStorePlain]: treesize reduction 32, result has 50.8 percent of original size [2019-12-07 11:56:50,776 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,776 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:33 [2019-12-07 11:56:50,791 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 11:56:50,851 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 26 [2019-12-07 11:56:50,851 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,854 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,854 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 26 [2019-12-07 11:56:50,855 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,867 INFO L614 ElimStorePlain]: treesize reduction 37, result has 43.1 percent of original size [2019-12-07 11:56:50,867 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,868 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:95, output treesize:28 [2019-12-07 11:56:50,895 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:50,896 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 62 [2019-12-07 11:56:50,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 11:56:50,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,897 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,926 INFO L614 ElimStorePlain]: treesize reduction 16, result has 80.2 percent of original size [2019-12-07 11:56:50,927 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:50,927 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:65 [2019-12-07 11:56:50,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 11:56:50,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 11:56:50,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2019-12-07 11:56:50,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881701067] [2019-12-07 11:56:51,204 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 92 [2019-12-07 11:56:51,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:56:51,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-12-07 11:56:51,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2019-12-07 11:56:51,230 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. cyclomatic complexity: 27 Second operand 21 states. [2019-12-07 11:56:51,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:56:51,577 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2019-12-07 11:56:51,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 11:56:51,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 113 transitions. [2019-12-07 11:56:51,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 11:56:51,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 69 states and 78 transitions. [2019-12-07 11:56:51,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2019-12-07 11:56:51,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-12-07 11:56:51,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 78 transitions. [2019-12-07 11:56:51,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 11:56:51,579 INFO L688 BuchiCegarLoop]: Abstraction has 69 states and 78 transitions. [2019-12-07 11:56:51,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 78 transitions. [2019-12-07 11:56:51,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2019-12-07 11:56:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-07 11:56:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2019-12-07 11:56:51,581 INFO L711 BuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2019-12-07 11:56:51,581 INFO L591 BuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2019-12-07 11:56:51,581 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-12-07 11:56:51,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 49 transitions. [2019-12-07 11:56:51,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 11:56:51,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:56:51,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:56:51,582 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-12-07 11:56:51,582 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 11:56:51,582 INFO L794 eck$LassoCheckResult]: Stem: 3675#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3673#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem12, test_fun_#t~mem4, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3674#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3680#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3681#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3711#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3710#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3709#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3708#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3707#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3706#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3705#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3704#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3693#L555-1 assume !test_fun_#t~short8; 3691#L555-3 assume !test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6; 3690#L555-6 call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 3689#L553-3 call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 3682#L553-1 assume !!(test_fun_#t~mem4 >= 0);havoc test_fun_#t~mem4;call write~int(1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3683#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3687#L555-1 [2019-12-07 11:56:51,582 INFO L796 eck$LassoCheckResult]: Loop: 3687#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 1073741824; 3676#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;havoc test_fun_#t~mem6;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 3677#L556 assume !(test_fun_#t~mem9 <= 0);havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 * test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 3684#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 3687#L555-1 [2019-12-07 11:56:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash 673540324, now seen corresponding path program 6 times [2019-12-07 11:56:51,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:51,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226711611] [2019-12-07 11:56:51,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:51,604 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:51,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:51,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1547289, now seen corresponding path program 2 times [2019-12-07 11:56:51,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:51,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768344107] [2019-12-07 11:56:51,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:51,609 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:51,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:51,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1405606780, now seen corresponding path program 7 times [2019-12-07 11:56:51,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:56:51,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215504712] [2019-12-07 11:56:51,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:56:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:56:51,631 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:56:53,364 WARN L192 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 202 DAG size of output: 150 [2019-12-07 11:56:53,484 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-07 11:56:53,487 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:56:53,487 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:56:53,487 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:56:53,487 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:56:53,487 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:56:53,487 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:53,487 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:56:53,487 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:56:53,487 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration11_Lasso [2019-12-07 11:56:53,487 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:56:53,487 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:56:53,489 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 11:56:53,491 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 11:56:53,494 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 11:56:53,496 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 11:56:53,497 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 11:56:53,497 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 11:56:53,499 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 11:56:53,500 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 11:56:53,500 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 11:56:53,501 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 11:56:53,502 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 11:56:53,701 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 11:56:53,703 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 11:56:53,703 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 11:56:53,704 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 11:56:53,705 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 11:56:53,707 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 11:56:53,708 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 11:56:54,023 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:56:54,023 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:54,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,031 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 11:56:54,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:54,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:54,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,041 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 11:56:54,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:54,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:54,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:54,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:54,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,057 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,061 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 11:56:54,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:54,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:54,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,069 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 11:56:54,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,075 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 11:56:54,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:54,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,090 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 11:56:54,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:56:54,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:56:54,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:56:54,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,096 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 11:56:54,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:56:54,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:56:54,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:56:54,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 11:56:54,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:56:54,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:56:54,109 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:56:54,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:56:54,123 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 11:56:54,124 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:56:54,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:56:54,222 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 11:56:54,223 INFO L444 ModelExtractionUtils]: 20 out of 46 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1dd42753-7dba-4f16-b9ec-c13ec846f3db/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:56:54,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:56:54,228 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-12-07 11:56:54,228 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:56:54,228 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_5) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_5 + 2147483647 Supporting invariants [] [2019-12-07 11:56:54,265 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 11:56:54,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 11:56:54,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:54,288 INFO L264 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:54,289 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:54,295 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:56:54,296 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:54,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:54,321 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 0 case distinctions, treesize of input 43 treesize of output 23 [2019-12-07 11:56:54,322 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:54,327 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:54,328 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:54,328 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:44 [2019-12-07 11:56:54,341 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 11:56:54,341 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 11:56:54,341 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-12-07 11:56:54,361 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 56 states and 66 transitions. Complement of second has 9 states. [2019-12-07 11:56:54,362 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 11:56:54,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:56:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-12-07 11:56:54,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 19 letters. Loop has 4 letters. [2019-12-07 11:56:54,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:54,362 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 11:56:54,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:54,388 INFO L264 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:54,389 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:54,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:56:54,395 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:54,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:54,425 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 0 case distinctions, treesize of input 43 treesize of output 23 [2019-12-07 11:56:54,425 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:54,433 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:54,433 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:54,433 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:44 [2019-12-07 11:56:54,449 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 11:56:54,449 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 11:56:54,449 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-12-07 11:56:54,480 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 55 states and 64 transitions. Complement of second has 11 states. [2019-12-07 11:56:54,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-12-07 11:56:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:56:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2019-12-07 11:56:54,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 19 letters. Loop has 4 letters. [2019-12-07 11:56:54,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:54,481 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 11:56:54,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:56:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:54,506 INFO L264 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:56:54,506 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:56:54,512 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:56:54,512 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:56:54,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:56:54,539 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 0 case distinctions, treesize of input 43 treesize of output 23 [2019-12-07 11:56:54,539 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 11:56:54,544 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 11:56:54,544 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 11:56:54,544 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:41 [2019-12-07 11:56:54,556 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 11:56:54,556 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 11:56:54,556 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-12-07 11:56:54,579 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 49 transitions. cyclomatic complexity: 10. Second operand 5 states. Result 69 states and 84 transitions. Complement of second has 10 states. [2019-12-07 11:56:54,579 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 11:56:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:56:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2019-12-07 11:56:54,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 19 letters. Loop has 4 letters. [2019-12-07 11:56:54,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:54,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 23 letters. Loop has 4 letters. [2019-12-07 11:56:54,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:54,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 19 letters. Loop has 8 letters. [2019-12-07 11:56:54,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:56:54,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 84 transitions. [2019-12-07 11:56:54,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:56:54,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2019-12-07 11:56:54,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:56:54,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:56:54,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:56:54,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:56:54,582 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:56:54,582 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:56:54,582 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:56:54,582 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-12-07 11:56:54,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:56:54,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:56:54,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:56:54,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:56:54 BoogieIcfgContainer [2019-12-07 11:56:54,586 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:56:54,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:56:54,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:56:54,587 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:56:54,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:56:39" (3/4) ... [2019-12-07 11:56:54,589 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:56:54,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:56:54,590 INFO L168 Benchmark]: Toolchain (without parser) took 15741.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 939.3 MB in the beginning and 852.8 MB in the end (delta: 86.5 MB). Peak memory consumption was 401.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:54,590 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:56:54,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:54,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.47 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 11:56:54,591 INFO L168 Benchmark]: Boogie Preprocessor took 16.50 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 11:56:54,591 INFO L168 Benchmark]: RCFGBuilder took 195.17 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:54,591 INFO L168 Benchmark]: BuchiAutomizer took 15211.52 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.8 MB). Free memory was 1.1 GB in the beginning and 852.8 MB in the end (delta: 221.8 MB). Peak memory consumption was 422.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:56:54,591 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 852.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:56:54,593 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.47 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 16.50 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 195.17 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15211.52 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.8 MB). Free memory was 1.1 GB in the beginning and 852.8 MB in the end (delta: 221.8 MB). Peak memory consumption was 422.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 852.8 MB. 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 - 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 11 terminating modules (6 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x_ref][x_ref] + 1 and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 10 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 16 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. One nondeterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.1s and 12 iterations. TraceHistogramMax:4. Analysis of lassos took 10.0s. Construction of modules took 0.6s. Büchi inclusion checks took 4.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 210 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 266 states and ocurred in iteration 8. Nontrivial modules had stage [3, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/13 HoareTripleCheckerStatistics: 93 SDtfs, 183 SDslu, 84 SDs, 0 SdLazy, 798 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont0 unkn0 SFLI3 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital365 mio100 ax105 hnf99 lsp83 ukn56 mio100 lsp35 div100 bol105 ite100 ukn100 eq168 hnf89 smp95 dnf172 smp82 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 138ms VariablesStem: 8 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...