./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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 72925b65ef321f719f00e79529e35268c3f3eaa3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:46,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:46,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:47,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:47,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:47,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:47,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:47,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:47,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:47,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:47,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:47,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:47,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:47,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:47,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:47,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:47,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:47,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:47,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:47,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:47,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:47,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:47,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:47,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:47,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:47,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:47,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:47,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:47,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:47,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:47,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:47,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:47,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:47,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:47,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:47,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:47,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:47,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:47,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:47,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:47,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:47,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:20:47,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:47,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:47,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:47,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:47,161 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:47,161 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:20:47,162 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:20:47,162 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:20:47,162 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:20:47,162 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:20:47,163 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:20:47,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:47,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:20:47,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:47,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:47,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:20:47,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:20:47,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:20:47,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:47,165 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:20:47,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:47,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:20:47,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:47,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:47,166 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:20:47,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:47,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:47,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:47,167 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:20:47,170 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:20:47,170 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72925b65ef321f719f00e79529e35268c3f3eaa3 [2020-11-28 03:20:47,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:47,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:47,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:47,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:47,501 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:47,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2020-11-28 03:20:47,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/data/9b32f36c6/236c798e9c444e7ea188910fe3fbc065/FLAG0e7419cb1 [2020-11-28 03:20:48,210 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:48,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2020-11-28 03:20:48,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/data/9b32f36c6/236c798e9c444e7ea188910fe3fbc065/FLAG0e7419cb1 [2020-11-28 03:20:48,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/data/9b32f36c6/236c798e9c444e7ea188910fe3fbc065 [2020-11-28 03:20:48,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:48,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:48,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:48,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:48,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:48,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c3c81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48, skipping insertion in model container [2020-11-28 03:20:48,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:48,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:48,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:48,885 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:48,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:48,972 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:48,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48 WrapperNode [2020-11-28 03:20:48,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:48,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:48,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:48,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:48,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:49,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:49,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:49,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:49,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:49,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:49,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:49,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:49,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:49,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:20:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:20:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:20:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:49,601 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:49,601 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 03:20:49,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49 BoogieIcfgContainer [2020-11-28 03:20:49,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:49,604 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:20:49,604 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:20:49,609 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:20:49,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:49,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:20:48" (1/3) ... [2020-11-28 03:20:49,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@463f3f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:49, skipping insertion in model container [2020-11-28 03:20:49,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:49,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (2/3) ... [2020-11-28 03:20:49,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@463f3f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:20:49, skipping insertion in model container [2020-11-28 03:20:49,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:20:49,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49" (3/3) ... [2020-11-28 03:20:49,614 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.13-alloca.i [2020-11-28 03:20:49,669 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:20:49,669 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:20:49,670 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:20:49,670 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:49,670 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:49,670 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:20:49,670 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:49,670 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:20:49,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 03:20:49,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:20:49,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:49,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:49,710 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:20:49,711 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:20:49,711 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:20:49,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-28 03:20:49,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:20:49,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:49,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:49,714 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:20:49,714 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:20:49,721 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 14#L561-2true [2020-11-28 03:20:49,722 INFO L796 eck$LassoCheckResult]: Loop: 14#L561-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 4#L558true assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 14#L561-2true [2020-11-28 03:20:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:49,729 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:20:49,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:49,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584405807] [2020-11-28 03:20:49,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:49,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:50,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:50,060 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:50,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:50,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-11-28 03:20:50,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:50,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447757147] [2020-11-28 03:20:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:50,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:50,115 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:50,118 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:50,120 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-11-28 03:20:50,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:50,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139589533] [2020-11-28 03:20:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:50,187 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:50,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:50,234 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:50,429 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-11-28 03:20:51,179 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 100 [2020-11-28 03:20:51,500 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-28 03:20:51,517 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:51,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:51,518 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:51,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:51,519 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:20:51,519 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:51,519 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:51,519 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:51,519 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration1_Lasso [2020-11-28 03:20:51,519 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:51,520 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:51,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:51,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,253 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2020-11-28 03:20:52,395 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-11-28 03:20:52,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:52,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:53,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:20:53,122 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,146 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 [2020-11-28 03:20:53,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:20:53,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:20:53,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:20:53,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:20:53,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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 [2020-11-28 03:20:53,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:20:53,721 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 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:20:53,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:53,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:53,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:53,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:53,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:53,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:53,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:53,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:53,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:54,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:54,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:54,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:54,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:54,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:54,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:54,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:54,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:20:54,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:54,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:54,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:54,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:54,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:54,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:54,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:54,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:20:54,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:54,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:54,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:54,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:54,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:54,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:54,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:54,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:54,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:20:54,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:20:54,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:20:54,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:20:54,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:20:54,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:20:54,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:20:54,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:20:54,371 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-28 03:20:54,371 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:20:54,384 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:54,387 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:20:54,387 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:20:54,388 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet20, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*ULTIMATE.start_main_#t~nondet20 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [-1*ULTIMATE.start_main_#t~nondet20 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 >= 0] [2020-11-28 03:20:54,599 INFO L297 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2020-11-28 03:20:54,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:20:54,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:20:54,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:20:54,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:54,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:20:54,769 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:20:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:54,901 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 [2020-11-28 03:20:54,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2020-11-28 03:20:55,109 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 48 states and 68 transitions. Complement of second has 10 states. [2020-11-28 03:20:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:20:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:20:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2020-11-28 03:20:55,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-28 03:20:55,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:55,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:20:55,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:55,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 2 letters. Loop has 8 letters. [2020-11-28 03:20:55,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:20:55,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 68 transitions. [2020-11-28 03:20:55,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2020-11-28 03:20:55,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 30 states and 44 transitions. [2020-11-28 03:20:55,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-11-28 03:20:55,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-11-28 03:20:55,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 44 transitions. [2020-11-28 03:20:55,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:20:55,125 INFO L691 BuchiCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-11-28 03:20:55,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 44 transitions. [2020-11-28 03:20:55,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2020-11-28 03:20:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 03:20:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2020-11-28 03:20:55,149 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2020-11-28 03:20:55,150 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2020-11-28 03:20:55,150 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:20:55,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2020-11-28 03:20:55,151 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2020-11-28 03:20:55,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:55,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:55,152 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:20:55,152 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:20:55,152 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 263#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 264#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 281#L557-1 [2020-11-28 03:20:55,152 INFO L796 eck$LassoCheckResult]: Loop: 281#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 278#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 279#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 274#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 276#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 281#L557-1 [2020-11-28 03:20:55,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,153 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-28 03:20:55,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529280236] [2020-11-28 03:20:55,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,177 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,215 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:55,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,220 INFO L82 PathProgramCache]: Analyzing trace with hash 40270619, now seen corresponding path program 1 times [2020-11-28 03:20:55,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884113707] [2020-11-28 03:20:55,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:55,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884113707] [2020-11-28 03:20:55,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:20:55,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290062191] [2020-11-28 03:20:55,330 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:20:55,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:55,334 INFO L87 Difference]: Start difference. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand 5 states. [2020-11-28 03:20:55,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:55,397 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2020-11-28 03:20:55,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:20:55,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2020-11-28 03:20:55,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-11-28 03:20:55,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 32 states and 44 transitions. [2020-11-28 03:20:55,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-11-28 03:20:55,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-11-28 03:20:55,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2020-11-28 03:20:55,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:20:55,402 INFO L691 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2020-11-28 03:20:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2020-11-28 03:20:55,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2020-11-28 03:20:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-28 03:20:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2020-11-28 03:20:55,406 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-11-28 03:20:55,406 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2020-11-28 03:20:55,406 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:20:55,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2020-11-28 03:20:55,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2020-11-28 03:20:55,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:55,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:55,408 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:20:55,408 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:20:55,408 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 338#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 339#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 357#L557-1 assume test_fun_#t~short10; 362#L557-3 [2020-11-28 03:20:55,408 INFO L796 eck$LassoCheckResult]: Loop: 362#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 359#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 360#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 365#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 364#L557-1 assume test_fun_#t~short10; 362#L557-3 [2020-11-28 03:20:55,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,408 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2020-11-28 03:20:55,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020771037] [2020-11-28 03:20:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,448 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash 45964857, now seen corresponding path program 1 times [2020-11-28 03:20:55,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654340396] [2020-11-28 03:20:55,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:55,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654340396] [2020-11-28 03:20:55,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:55,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085210152] [2020-11-28 03:20:55,488 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:20:55,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:55,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:55,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:55,489 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 14 Second operand 5 states. [2020-11-28 03:20:55,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:55,577 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-11-28 03:20:55,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:20:55,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2020-11-28 03:20:55,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-11-28 03:20:55,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 35 transitions. [2020-11-28 03:20:55,580 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-11-28 03:20:55,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2020-11-28 03:20:55,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2020-11-28 03:20:55,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:20:55,581 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-11-28 03:20:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2020-11-28 03:20:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2020-11-28 03:20:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 03:20:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2020-11-28 03:20:55,583 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-11-28 03:20:55,583 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2020-11-28 03:20:55,583 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:20:55,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2020-11-28 03:20:55,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-11-28 03:20:55,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:55,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:55,585 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:20:55,585 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:20:55,585 INFO L794 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 410#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 411#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 425#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 431#L557-3 [2020-11-28 03:20:55,585 INFO L796 eck$LassoCheckResult]: Loop: 431#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 427#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 422#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 430#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 431#L557-3 [2020-11-28 03:20:55,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,586 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2020-11-28 03:20:55,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898178669] [2020-11-28 03:20:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,655 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:55,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1480169, now seen corresponding path program 1 times [2020-11-28 03:20:55,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734916545] [2020-11-28 03:20:55,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,684 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:55,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:55,703 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:55,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,704 INFO L82 PathProgramCache]: Analyzing trace with hash 179595856, now seen corresponding path program 1 times [2020-11-28 03:20:55,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180620674] [2020-11-28 03:20:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:55,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180620674] [2020-11-28 03:20:55,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:20:55,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393548220] [2020-11-28 03:20:55,993 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-11-28 03:20:56,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:56,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:56,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:56,082 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-11-28 03:20:56,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:56,135 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2020-11-28 03:20:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:20:56,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2020-11-28 03:20:56,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-11-28 03:20:56,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2020-11-28 03:20:56,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-11-28 03:20:56,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2020-11-28 03:20:56,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2020-11-28 03:20:56,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:20:56,138 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-11-28 03:20:56,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2020-11-28 03:20:56,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-11-28 03:20:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-28 03:20:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2020-11-28 03:20:56,140 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-11-28 03:20:56,140 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-11-28 03:20:56,140 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:20:56,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2020-11-28 03:20:56,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-11-28 03:20:56,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:20:56,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:20:56,141 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:20:56,141 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:20:56,141 INFO L794 eck$LassoCheckResult]: Stem: 472#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 466#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 467#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 481#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 474#L557-3 [2020-11-28 03:20:56,141 INFO L796 eck$LassoCheckResult]: Loop: 474#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 479#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 477#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 478#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 484#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 474#L557-3 [2020-11-28 03:20:56,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:56,142 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2020-11-28 03:20:56,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:56,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327760809] [2020-11-28 03:20:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:56,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:56,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:56,198 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:56,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:56,200 INFO L82 PathProgramCache]: Analyzing trace with hash 45962937, now seen corresponding path program 1 times [2020-11-28 03:20:56,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:56,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566685101] [2020-11-28 03:20:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:56,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:56,234 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:56,245 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:56,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:56,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581938, now seen corresponding path program 1 times [2020-11-28 03:20:56,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:56,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592470307] [2020-11-28 03:20:56,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:56,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:20:56,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:20:56,317 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:20:56,569 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-11-28 03:20:56,677 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-28 03:20:57,650 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2020-11-28 03:20:57,981 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-28 03:20:57,986 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:20:57,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:20:57,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:20:57,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:20:57,986 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:20:57,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:20:57,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:20:57,986 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:20:57,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration5_Lasso [2020-11-28 03:20:57,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:20:57,987 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:20:57,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:58,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:58,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:58,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:58,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:58,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:58,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,631 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2020-11-28 03:20:59,959 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2020-11-28 03:20:59,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:20:59,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:21:00,344 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-11-28 03:21:01,092 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-11-28 03:21:01,295 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-11-28 03:21:01,354 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:21:01,355 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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 [2020-11-28 03:21:01,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:01,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:01,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:01,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:01,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:01,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:01,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:01,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:01,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:01,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:01,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:21:01,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:21:01,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:21:01,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:01,531 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:01,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:21:01,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:21:01,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:21:01,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:01,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:01,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:21:01,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:21:01,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,860 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:21:01,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:21:01,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:21:01,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:21:01,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:21:01,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:01,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/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) [2020-11-28 03:21:01,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:21:01,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:21:01,954 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-28 03:21:01,955 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:21:01,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:02,013 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-11-28 03:21:02,014 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:21:02,118 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:21:02,265 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-28 03:21:02,265 INFO L444 ModelExtractionUtils]: 51 out of 91 variables were initially zero. Simplification set additionally 37 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:21:02,268 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:21:02,271 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-28 03:21:02,271 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:21:02,272 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)_2, 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_~y_ref~0.base) ULTIMATE.start_test_fun_~y_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 [] [2020-11-28 03:21:02,430 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-11-28 03:21:02,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:21:02,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:21:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:02,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:02,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:02,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:21:02,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:02,792 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-11-28 03:21:02,793 INFO L350 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2020-11-28 03:21:02,793 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 111 [2020-11-28 03:21:02,805 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-28 03:21:02,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:21:02,811 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-11-28 03:21:02,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:21:02,814 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:21:02,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:21:02,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:21:02,823 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:21:02,989 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-11-28 03:21:02,990 INFO L625 ElimStorePlain]: treesize reduction 325, result has 46.7 percent of original size [2020-11-28 03:21:02,992 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:02,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:02,999 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-11-28 03:21:02,999 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:285 [2020-11-28 03:21:03,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:03,210 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 [2020-11-28 03:21:03,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-11-28 03:21:03,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 48 states and 62 transitions. Complement of second has 9 states. [2020-11-28 03:21:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:21:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:21:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-11-28 03:21:03,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 5 letters. [2020-11-28 03:21:03,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:03,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 9 letters. Loop has 5 letters. [2020-11-28 03:21:03,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:03,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 10 letters. [2020-11-28 03:21:03,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:21:03,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2020-11-28 03:21:03,279 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-11-28 03:21:03,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 41 states and 53 transitions. [2020-11-28 03:21:03,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-11-28 03:21:03,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-11-28 03:21:03,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2020-11-28 03:21:03,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:21:03,281 INFO L691 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-11-28 03:21:03,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2020-11-28 03:21:03,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-28 03:21:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-28 03:21:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2020-11-28 03:21:03,283 INFO L714 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-11-28 03:21:03,283 INFO L594 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2020-11-28 03:21:03,284 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:21:03,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2020-11-28 03:21:03,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-11-28 03:21:03,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:21:03,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:21:03,285 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:21:03,285 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-28 03:21:03,285 INFO L794 eck$LassoCheckResult]: Stem: 744#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 738#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 739#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 766#L557-1 assume test_fun_#t~short10; 774#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 772#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 770#L561 [2020-11-28 03:21:03,285 INFO L796 eck$LassoCheckResult]: Loop: 770#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 769#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 773#L557-1 assume test_fun_#t~short10; 771#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 768#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 770#L561 [2020-11-28 03:21:03,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-11-28 03:21:03,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:03,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473200144] [2020-11-28 03:21:03,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:03,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473200144] [2020-11-28 03:21:03,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:03,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:21:03,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665169151] [2020-11-28 03:21:03,325 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:21:03,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:03,326 INFO L82 PathProgramCache]: Analyzing trace with hash 52859425, now seen corresponding path program 1 times [2020-11-28 03:21:03,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:03,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666456392] [2020-11-28 03:21:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:03,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666456392] [2020-11-28 03:21:03,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:03,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:21:03,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600081963] [2020-11-28 03:21:03,371 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:21:03,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:03,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:21:03,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:03,371 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand 5 states. [2020-11-28 03:21:03,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:03,426 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2020-11-28 03:21:03,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:21:03,427 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2020-11-28 03:21:03,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:21:03,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 24 states and 28 transitions. [2020-11-28 03:21:03,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-11-28 03:21:03,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-11-28 03:21:03,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2020-11-28 03:21:03,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:21:03,429 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-11-28 03:21:03,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2020-11-28 03:21:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2020-11-28 03:21:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 03:21:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-11-28 03:21:03,431 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-11-28 03:21:03,431 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-11-28 03:21:03,431 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 03:21:03,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2020-11-28 03:21:03,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:21:03,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:21:03,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:21:03,432 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:03,432 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:21:03,433 INFO L794 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 820#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 821#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 841#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 839#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 836#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 832#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 833#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 827#L557-1 assume test_fun_#t~short10; 828#L557-3 [2020-11-28 03:21:03,433 INFO L796 eck$LassoCheckResult]: Loop: 828#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 822#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 823#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 834#L557-1 assume test_fun_#t~short10; 828#L557-3 [2020-11-28 03:21:03,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:03,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581936, now seen corresponding path program 1 times [2020-11-28 03:21:03,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:03,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823674287] [2020-11-28 03:21:03,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:03,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823674287] [2020-11-28 03:21:03,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269773961] [2020-11-28 03:21:03,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3258b247-3a98-4bc4-b0fe-96a8f0425dee/bin/uautomizer/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:03,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-28 03:21:03,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:03,657 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:21:03,658 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 58 [2020-11-28 03:21:03,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 03:21:03,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,666 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:21:03,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:21:03,680 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:21:03,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:13 [2020-11-28 03:21:03,703 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,825 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2020-11-28 03:21:03,827 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:21:03,837 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:21:03,840 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:21:03,840 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:41, output treesize:16 [2020-11-28 03:21:03,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:21:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:03,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:21:03,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-11-28 03:21:03,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769099091] [2020-11-28 03:21:03,887 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:21:03,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:03,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1480167, now seen corresponding path program 2 times [2020-11-28 03:21:03,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:03,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113943810] [2020-11-28 03:21:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:03,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:03,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:03,898 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:04,001 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-11-28 03:21:04,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:04,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-28 03:21:04,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:21:04,029 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand 11 states. [2020-11-28 03:21:04,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:04,100 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-11-28 03:21:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:21:04,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2020-11-28 03:21:04,101 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:21:04,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-11-28 03:21:04,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:21:04,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:21:04,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:21:04,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:21:04,101 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:04,101 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:04,101 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:04,102 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-28 03:21:04,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:21:04,102 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:21:04,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:21:04,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:21:04 BoogieIcfgContainer [2020-11-28 03:21:04,111 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:21:04,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:04,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:04,112 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:04,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49" (3/4) ... [2020-11-28 03:21:04,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:21:04,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:04,116 INFO L168 Benchmark]: Toolchain (without parser) took 15633.82 ms. Allocated memory was 107.0 MB in the beginning and 192.9 MB in the end (delta: 86.0 MB). Free memory was 70.5 MB in the beginning and 123.4 MB in the end (delta: -52.9 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:04,116 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 77.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:04,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.81 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 72.3 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:04,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.17 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:04,122 INFO L168 Benchmark]: Boogie Preprocessor took 33.06 ms. Allocated memory is still 107.0 MB. Free memory was 70.2 MB in the beginning and 69.3 MB in the end (delta: 947.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:04,123 INFO L168 Benchmark]: RCFGBuilder took 552.07 ms. Allocated memory is still 107.0 MB. Free memory was 68.8 MB in the beginning and 52.5 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:04,123 INFO L168 Benchmark]: BuchiAutomizer took 14507.13 ms. Allocated memory was 107.0 MB in the beginning and 192.9 MB in the end (delta: 86.0 MB). Free memory was 52.1 MB in the beginning and 124.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:04,124 INFO L168 Benchmark]: Witness Printer took 3.86 ms. Allocated memory is still 192.9 MB. Free memory was 124.5 MB in the beginning and 123.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:04,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 107.0 MB. Free memory was 77.3 MB in the beginning and 77.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.81 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 72.3 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.17 ms. Allocated memory is still 107.0 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.06 ms. Allocated memory is still 107.0 MB. Free memory was 70.2 MB in the beginning and 69.3 MB in the end (delta: 947.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 552.07 ms. Allocated memory is still 107.0 MB. Free memory was 68.8 MB in the beginning and 52.5 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14507.13 ms. Allocated memory was 107.0 MB in the beginning and 192.9 MB in the end (delta: 86.0 MB). Free memory was 52.1 MB in the beginning and 124.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.86 ms. Allocated memory is still 192.9 MB. Free memory was 124.5 MB in the beginning and 123.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-__VERIFIER_nondet_int()-aux + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 12.6s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 41 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 47 SDtfs, 51 SDslu, 38 SDs, 0 SdLazy, 180 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI1 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital408 mio100 ax104 hnf99 lsp94 ukn70 mio100 lsp29 div100 bol104 ite100 ukn100 eq187 hnf88 smp97 dnf231 smp73 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 324ms VariablesStem: 17 VariablesLoop: 12 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...