./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-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_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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 4ab4fc7901859c456c176827e7d5fcf9e4988b17 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:46:39,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:46:39,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:46:39,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:46:39,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:46:39,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:46:39,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:46:39,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:46:39,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:46:39,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:46:39,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:46:39,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:46:39,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:46:39,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:46:39,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:46:39,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:46:39,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:46:39,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:46:39,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:46:39,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:46:39,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:46:39,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:46:39,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:46:39,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:46:39,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:46:39,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:46:39,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:46:39,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:46:39,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:46:39,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:46:39,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:46:39,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:46:39,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:46:39,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:46:39,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:46:39,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:46:39,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:46:39,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:46:39,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:46:39,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:46:39,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:46:39,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 18:46:40,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:46:40,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:46:40,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:46:40,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:46:40,030 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:46:40,031 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:46:40,031 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:46:40,031 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:46:40,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:46:40,032 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:46:40,032 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:46:40,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:46:40,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:46:40,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:46:40,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:46:40,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:46:40,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:46:40,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:46:40,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:46:40,035 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:46:40,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:46:40,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:46:40,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:46:40,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:46:40,037 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:46:40,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:46:40,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:46:40,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:46:40,039 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:46:40,042 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:46:40,042 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_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ab4fc7901859c456c176827e7d5fcf9e4988b17 [2020-11-29 18:46:40,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:46:40,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:46:40,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:46:40,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:46:40,420 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:46:40,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2020-11-29 18:46:40,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/data/662ac5c24/c86cec5a69d145a985d6461ab16a32e3/FLAGa47ebe38f [2020-11-29 18:46:41,186 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:46:41,187 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2020-11-29 18:46:41,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/data/662ac5c24/c86cec5a69d145a985d6461ab16a32e3/FLAGa47ebe38f [2020-11-29 18:46:41,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/data/662ac5c24/c86cec5a69d145a985d6461ab16a32e3 [2020-11-29 18:46:41,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:46:41,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:46:41,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:46:41,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:46:41,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:46:41,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:46:41" (1/1) ... [2020-11-29 18:46:41,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c8f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:41, skipping insertion in model container [2020-11-29 18:46:41,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:46:41" (1/1) ... [2020-11-29 18:46:41,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:46:41,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:46:42,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:46:42,048 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:46:42,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:46:42,141 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:46:42,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42 WrapperNode [2020-11-29 18:46:42,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:46:42,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:46:42,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:46:42,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:46:42,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:46:42,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:46:42,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:46:42,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:46:42,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... [2020-11-29 18:46:42,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:46:42,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:46:42,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:46:42,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:46:42,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:46:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:46:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:46:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:46:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:46:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:46:42,857 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:46:42,858 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 18:46:42,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:42 BoogieIcfgContainer [2020-11-29 18:46:42,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:46:42,862 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:46:42,862 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:46:42,869 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:46:42,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:46:42,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:46:41" (1/3) ... [2020-11-29 18:46:42,875 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23f2b8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:46:42, skipping insertion in model container [2020-11-29 18:46:42,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:46:42,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:42" (2/3) ... [2020-11-29 18:46:42,876 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23f2b8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:46:42, skipping insertion in model container [2020-11-29 18:46:42,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:46:42,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:42" (3/3) ... [2020-11-29 18:46:42,878 INFO L373 chiAutomizerObserver]: Analyzing ICFG Ben-Amram-2010LMCS-Ex2.3-alloca.i [2020-11-29 18:46:42,980 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:46:42,980 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:46:42,980 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:46:42,981 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:46:42,981 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:46:42,981 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:46:42,981 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:46:42,981 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:46:43,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 18:46:43,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:43,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:43,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:43,035 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:46:43,035 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:43,035 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:46:43,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2020-11-29 18:46:43,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:43,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:43,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:43,044 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:46:43,045 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:43,053 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 5#L555-2true [2020-11-29 18:46:43,056 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-2true call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 6#L554-1true assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 9#L554-3true main_#t~short12 := main_#t~short10; 11#L554-4true assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 4#L554-6true assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 12#L555true assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 5#L555-2true [2020-11-29 18:46:43,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:43,067 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 18:46:43,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:43,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529780500] [2020-11-29 18:46:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:43,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:43,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:43,385 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:43,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:43,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2020-11-29 18:46:43,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:43,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846424547] [2020-11-29 18:46:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:43,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:43,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:43,519 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:43,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:43,522 INFO L82 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2020-11-29 18:46:43,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:43,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421685270] [2020-11-29 18:46:43,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:43,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:43,598 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:43,607 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:44,288 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-11-29 18:46:44,449 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-11-29 18:46:45,027 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2020-11-29 18:46:45,285 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-11-29 18:46:45,316 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:46:45,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:46:45,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:46:45,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:46:45,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:46:45,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:45,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:46:45,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:46:45,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration1_Lasso [2020-11-29 18:46:45,320 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:46:45,321 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:46:45,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:45,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:46,030 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2020-11-29 18:46:46,289 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-11-29 18:46:46,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:46,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:46,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:46,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:47,063 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:46:47,069 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:47,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:47,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:47,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:47,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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 [2020-11-29 18:46:47,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:47,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:47,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:47,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:47,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:47,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:47,776 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 [2020-11-29 18:46:47,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:47,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:47,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:47,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:47,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:47,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:47,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:47,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:47,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:47,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:47,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:47,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:47,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:47,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:48,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:48,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:48,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:48,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:48,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:48,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:48,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:48,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:48,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:48,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:48,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:48,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:48,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:48,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:48,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:48,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:48,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:48,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:48,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:48,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:48,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:48,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:48,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:48,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:48,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:48,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:48,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:48,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:48,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:48,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:48,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:48,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:48,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:48,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:48,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:48,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:48,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:48,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:48,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:48,320 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:46:48,536 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-29 18:46:48,536 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:48,578 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:46:48,582 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 18:46:48,582 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:46:48,583 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_1 Supporting invariants [] [2020-11-29 18:46:48,795 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2020-11-29 18:46:48,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:46:48,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:46:48,816 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:46:48,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:48,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:46:48,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:48,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:46:48,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:48,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:46:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:49,241 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 [2020-11-29 18:46:49,242 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 5 states. [2020-11-29 18:46:49,452 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 5 states. Result 30 states and 42 transitions. Complement of second has 10 states. [2020-11-29 18:46:49,454 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 [2020-11-29 18:46:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 18:46:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2020-11-29 18:46:49,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2020-11-29 18:46:49,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:49,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2020-11-29 18:46:49,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:49,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2020-11-29 18:46:49,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:49,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 42 transitions. [2020-11-29 18:46:49,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:49,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 29 transitions. [2020-11-29 18:46:49,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-29 18:46:49,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-29 18:46:49,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2020-11-29 18:46:49,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:46:49,481 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2020-11-29 18:46:49,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2020-11-29 18:46:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 18:46:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 18:46:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2020-11-29 18:46:49,518 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2020-11-29 18:46:49,519 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2020-11-29 18:46:49,519 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:46:49,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2020-11-29 18:46:49,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:49,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:49,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:49,524 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:46:49,524 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:49,525 INFO L794 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 203#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 204#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 209#L554-1 assume !main_#t~short10; 210#L554-3 main_#t~short12 := main_#t~short10; 213#L554-4 assume !main_#t~short12; 199#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 200#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 205#L555-2 [2020-11-29 18:46:49,525 INFO L796 eck$LassoCheckResult]: Loop: 205#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 206#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 218#L554-3 main_#t~short12 := main_#t~short10; 217#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 216#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 215#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 205#L555-2 [2020-11-29 18:46:49,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:49,526 INFO L82 PathProgramCache]: Analyzing trace with hash 179475346, now seen corresponding path program 1 times [2020-11-29 18:46:49,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:49,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899762269] [2020-11-29 18:46:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:49,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899762269] [2020-11-29 18:46:49,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:46:49,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:46:49,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759012783] [2020-11-29 18:46:49,631 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 18:46:49,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:49,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2020-11-29 18:46:49,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:49,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554543768] [2020-11-29 18:46:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:49,656 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:49,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:49,681 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:50,045 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-11-29 18:46:50,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:46:50,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:46:50,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:46:50,123 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 11 Second operand 3 states. [2020-11-29 18:46:50,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:46:50,150 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-11-29 18:46:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:46:50,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2020-11-29 18:46:50,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:50,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 20 states and 26 transitions. [2020-11-29 18:46:50,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-11-29 18:46:50,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-29 18:46:50,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2020-11-29 18:46:50,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:46:50,157 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-11-29 18:46:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2020-11-29 18:46:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 18:46:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 18:46:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2020-11-29 18:46:50,160 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-11-29 18:46:50,163 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2020-11-29 18:46:50,163 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 18:46:50,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2020-11-29 18:46:50,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:50,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:50,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:50,169 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:46:50,169 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:50,170 INFO L794 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 248#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 249#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 258#L554-1 assume !main_#t~short10; 259#L554-3 main_#t~short12 := main_#t~short10; 262#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 250#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 251#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 254#L555-2 [2020-11-29 18:46:50,170 INFO L796 eck$LassoCheckResult]: Loop: 254#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 255#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 267#L554-3 main_#t~short12 := main_#t~short10; 266#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 265#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 264#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 254#L555-2 [2020-11-29 18:46:50,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:50,171 INFO L82 PathProgramCache]: Analyzing trace with hash 179473424, now seen corresponding path program 1 times [2020-11-29 18:46:50,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:50,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637029457] [2020-11-29 18:46:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:50,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637029457] [2020-11-29 18:46:50,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:46:50,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:46:50,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325920031] [2020-11-29 18:46:50,275 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 18:46:50,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:50,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 3 times [2020-11-29 18:46:50,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:50,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725247376] [2020-11-29 18:46:50,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:50,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:50,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:50,347 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:50,760 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-11-29 18:46:50,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:46:50,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:46:50,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:46:50,845 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-11-29 18:46:50,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:46:50,903 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2020-11-29 18:46:50,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:46:50,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2020-11-29 18:46:50,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:50,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 23 transitions. [2020-11-29 18:46:50,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-11-29 18:46:50,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-29 18:46:50,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2020-11-29 18:46:50,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:46:50,907 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-29 18:46:50,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2020-11-29 18:46:50,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 18:46:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 18:46:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-29 18:46:50,910 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-29 18:46:50,910 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-29 18:46:50,910 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 18:46:50,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-11-29 18:46:50,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:50,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:50,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:50,911 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:46:50,911 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:50,912 INFO L794 eck$LassoCheckResult]: Stem: 316#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 307#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 308#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 313#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 314#L554-3 main_#t~short12 := main_#t~short10; 317#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 303#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 304#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 309#L555-2 [2020-11-29 18:46:50,913 INFO L796 eck$LassoCheckResult]: Loop: 309#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 310#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 322#L554-3 main_#t~short12 := main_#t~short10; 321#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 320#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 319#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 309#L555-2 [2020-11-29 18:46:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:50,916 INFO L82 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2020-11-29 18:46:50,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:50,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650480108] [2020-11-29 18:46:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:50,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:50,990 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:50,998 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:50,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:50,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 4 times [2020-11-29 18:46:50,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:50,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350214348] [2020-11-29 18:46:50,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:51,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:51,048 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:51,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:51,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:51,052 INFO L82 PathProgramCache]: Analyzing trace with hash -692497897, now seen corresponding path program 1 times [2020-11-29 18:46:51,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:51,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129096369] [2020-11-29 18:46:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:51,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129096369] [2020-11-29 18:46:51,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844691554] [2020-11-29 18:46:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:46:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:51,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-29 18:46:51,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:51,400 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:51,401 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-29 18:46:51,403 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:46:51,409 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:51,410 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:46:51,410 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2020-11-29 18:46:51,455 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 26 [2020-11-29 18:46:51,457 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:46:51,481 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:51,485 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:46:51,486 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:98, output treesize:18 [2020-11-29 18:46:51,534 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2020-11-29 18:46:51,537 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:46:51,544 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:51,547 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:46:51,547 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:5 [2020-11-29 18:46:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:51,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:46:51,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 18:46:51,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585421259] [2020-11-29 18:46:51,925 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2020-11-29 18:46:52,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:46:52,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:46:52,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:46:52,005 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand 7 states. [2020-11-29 18:46:52,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:46:52,121 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2020-11-29 18:46:52,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:46:52,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2020-11-29 18:46:52,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:52,124 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2020-11-29 18:46:52,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-11-29 18:46:52,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-11-29 18:46:52,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2020-11-29 18:46:52,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:46:52,125 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2020-11-29 18:46:52,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2020-11-29 18:46:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2020-11-29 18:46:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-29 18:46:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-11-29 18:46:52,128 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-11-29 18:46:52,128 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-11-29 18:46:52,128 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 18:46:52,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2020-11-29 18:46:52,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:52,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:52,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:52,129 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 18:46:52,130 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:52,130 INFO L794 eck$LassoCheckResult]: Stem: 410#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 402#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 403#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 405#L554-1 [2020-11-29 18:46:52,130 INFO L796 eck$LassoCheckResult]: Loop: 405#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 408#L554-3 main_#t~short12 := main_#t~short10; 411#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 398#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 399#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 404#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 405#L554-1 [2020-11-29 18:46:52,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:52,131 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-11-29 18:46:52,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:52,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770516345] [2020-11-29 18:46:52,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:52,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:52,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:52,161 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:52,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:52,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 1 times [2020-11-29 18:46:52,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:52,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737896650] [2020-11-29 18:46:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:52,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:52,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:52,208 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:52,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1211450553, now seen corresponding path program 2 times [2020-11-29 18:46:52,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:52,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936374869] [2020-11-29 18:46:52,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:52,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:52,291 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:52,305 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:52,674 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2020-11-29 18:46:53,107 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2020-11-29 18:46:53,594 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-29 18:46:53,598 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:46:53,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:46:53,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:46:53,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:46:53,599 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:46:53,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:53,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:46:53,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:46:53,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration5_Lasso [2020-11-29 18:46:53,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:46:53,599 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:46:53,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:53,903 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:46:54,806 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-11-29 18:46:55,162 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-11-29 18:46:55,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:55,496 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2020-11-29 18:46:55,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:46:56,148 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-11-29 18:46:56,353 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-29 18:46:56,577 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:46:56,577 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,594 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/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) [2020-11-29 18:46:56,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:56,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:56,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:56,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:56,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:56,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:56,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:56,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:56,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:56,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:56,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:56,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:56,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:56,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:56,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:56,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:57,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:57,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:57,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:57,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:57,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:57,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:57,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:57,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:57,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:57,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:57,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:57,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:57,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:57,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:57,205 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:57,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:57,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:57,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:57,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:57,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:57,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:57,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:57,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:57,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:57,357 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-29 18:46:57,357 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:46:57,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:57,395 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-11-29 18:46:57,395 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 18:46:57,463 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:46:57,525 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-29 18:46:57,525 INFO L444 ModelExtractionUtils]: 29 out of 36 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:57,528 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:46:57,533 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-29 18:46:57,533 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:46:57,533 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2020-11-29 18:46:57,721 INFO L297 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2020-11-29 18:46:57,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:46:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:57,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 18:46:57,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:57,813 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:57,813 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-29 18:46:57,815 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:46:57,825 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:57,825 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:46:57,825 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2020-11-29 18:46:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:57,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:46:57,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:57,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:46:57,985 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:46:57,986 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 58 [2020-11-29 18:46:57,987 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:46:58,035 INFO L625 ElimStorePlain]: treesize reduction 18, result has 76.0 percent of original size [2020-11-29 18:46:58,037 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 18:46:58,037 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:114, output treesize:50 [2020-11-29 18:46:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:58,149 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-11-29 18:46:58,150 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand 7 states. [2020-11-29 18:46:58,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand 7 states. Result 37 states and 40 transitions. Complement of second has 10 states. [2020-11-29 18:46:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 18:46:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 18:46:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2020-11-29 18:46:58,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2020-11-29 18:46:58,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:58,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 9 letters. Loop has 6 letters. [2020-11-29 18:46:58,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:58,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 3 letters. Loop has 12 letters. [2020-11-29 18:46:58,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:58,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 40 transitions. [2020-11-29 18:46:58,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:58,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 20 states and 21 transitions. [2020-11-29 18:46:58,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-29 18:46:58,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-29 18:46:58,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 21 transitions. [2020-11-29 18:46:58,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 18:46:58,299 INFO L691 BuchiCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-11-29 18:46:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 21 transitions. [2020-11-29 18:46:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2020-11-29 18:46:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-29 18:46:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-11-29 18:46:58,301 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-11-29 18:46:58,301 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-11-29 18:46:58,301 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 18:46:58,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2020-11-29 18:46:58,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-29 18:46:58,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:58,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:58,302 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:46:58,302 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 18:46:58,302 INFO L794 eck$LassoCheckResult]: Stem: 621#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 614#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~mem13, main_#t~mem14, main_#t~mem15, main_#t~nondet16, main_#t~mem17, main_#t~mem18, main_#t~nondet19, main_#t~mem20, main_#t~mem8, main_#t~mem9, main_#t~short10, main_#t~mem11, main_#t~short12, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6;call write~int(main_#t~nondet7, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~nondet7; 615#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 616#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 620#L554-3 main_#t~short12 := main_#t~short10; 623#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 612#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 613#L555 assume main_#t~mem13 > main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem15, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;call write~int(main_#t~nondet16, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet16;call main_#t~mem17 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem17; 617#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 618#L554-1 [2020-11-29 18:46:58,302 INFO L796 eck$LassoCheckResult]: Loop: 618#L554-1 assume main_#t~short10;call main_#t~mem9 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short10 := main_#t~mem9 > 0; 619#L554-3 main_#t~short12 := main_#t~short10; 622#L554-4 assume main_#t~short12;call main_#t~mem11 := read~int(main_~z~0.base, main_~z~0.offset, 4);main_#t~short12 := main_#t~mem11 > 0; 610#L554-6 assume !!main_#t~short12;havoc main_#t~mem8;havoc main_#t~mem9;havoc main_#t~short10;havoc main_#t~mem11;havoc main_#t~short12;call main_#t~mem13 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem14 := read~int(main_~x~0.base, main_~x~0.offset, 4); 611#L555 assume !(main_#t~mem13 > main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;call main_#t~mem18 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 - 1, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;call write~int(main_#t~nondet19, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet19;call main_#t~mem20 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem20; 624#L555-2 call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short10 := main_#t~mem8 > 0; 618#L554-1 [2020-11-29 18:46:58,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1211450491, now seen corresponding path program 2 times [2020-11-29 18:46:58,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:58,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813483304] [2020-11-29 18:46:58,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:58,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:58,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:58,352 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:58,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:58,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 2 times [2020-11-29 18:46:58,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:58,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83258185] [2020-11-29 18:46:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:58,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:58,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:58,374 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:58,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:58,376 INFO L82 PathProgramCache]: Analyzing trace with hash 816748368, now seen corresponding path program 2 times [2020-11-29 18:46:58,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:58,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489062423] [2020-11-29 18:46:58,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:58,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:58,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:58,460 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:58,850 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 78 [2020-11-29 18:46:58,979 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-11-29 18:46:59,869 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-11-29 18:47:02,326 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 131 [2020-11-29 18:47:02,332 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:47:02,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:47:02,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:47:02,332 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:47:02,332 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:47:02,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:02,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:47:02,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:47:02,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration6_Lasso [2020-11-29 18:47:02,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:47:02,333 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:47:02,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:02,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 35 [2020-11-29 18:47:03,849 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2020-11-29 18:47:04,074 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-11-29 18:47:04,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:47:04,413 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-11-29 18:47:05,031 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2020-11-29 18:47:05,156 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2020-11-29 18:47:05,684 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-11-29 18:47:05,874 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-11-29 18:47:05,950 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:47:05,951 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:05,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:05,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:05,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:47:05,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:05,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:05,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:05,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:47:05,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:47:05,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:05,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:05,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:05,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:05,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:05,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,005 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:47:06,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:47:06,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:47:06,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:47:06,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:47:06,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:47:06,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:47:06,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:47:06,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:47:06,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:47:06,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,420 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:47:06,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:47:06,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:47:06,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:47:06,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:47:06,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:47:06,524 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-29 18:47:06,524 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:47:06,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:47:06,580 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-11-29 18:47:06,581 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-29 18:47:06,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:47:06,702 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-29 18:47:06,702 INFO L444 ModelExtractionUtils]: 18 out of 36 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc4f0660-5710-436e-b55a-d56cb90b7e5c/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:47:06,704 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 18:47:06,709 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-29 18:47:06,709 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:47:06,709 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_3 Supporting invariants [] [2020-11-29 18:47:07,008 INFO L297 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2020-11-29 18:47:07,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-29 18:47:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:07,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 18:47:07,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:07,106 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:07,106 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-29 18:47:07,108 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:47:07,134 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:07,134 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:47:07,134 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2020-11-29 18:47:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:47:07,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:07,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:47:07,376 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:07,377 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 58 [2020-11-29 18:47:07,378 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:47:07,437 INFO L625 ElimStorePlain]: treesize reduction 18, result has 76.0 percent of original size [2020-11-29 18:47:07,440 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 18:47:07,440 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:114, output treesize:50 [2020-11-29 18:47:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:07,493 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-11-29 18:47:07,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand 7 states. [2020-11-29 18:47:07,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand 7 states. Result 24 states and 25 transitions. Complement of second has 10 states. [2020-11-29 18:47:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 18:47:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 18:47:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-11-29 18:47:07,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 9 letters. Loop has 6 letters. [2020-11-29 18:47:07,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:47:07,649 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 18:47:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:07,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 18:47:07,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:07,757 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:07,757 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-29 18:47:07,758 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:47:07,770 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:07,771 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:47:07,771 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2020-11-29 18:47:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:07,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:47:07,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:07,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:47:07,924 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:07,925 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 58 [2020-11-29 18:47:07,926 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:47:07,986 INFO L625 ElimStorePlain]: treesize reduction 18, result has 76.0 percent of original size [2020-11-29 18:47:07,992 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 18:47:07,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:114, output treesize:50 [2020-11-29 18:47:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:08,038 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2020-11-29 18:47:08,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand 7 states. [2020-11-29 18:47:08,177 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand 7 states. Result 24 states and 25 transitions. Complement of second has 10 states. [2020-11-29 18:47:08,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 18:47:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 18:47:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-11-29 18:47:08,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 9 letters. Loop has 6 letters. [2020-11-29 18:47:08,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:47:08,183 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-29 18:47:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:08,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 18:47:08,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:08,279 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:08,279 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-11-29 18:47:08,281 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:47:08,294 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:08,294 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:47:08,295 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2020-11-29 18:47:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:08,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:47:08,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:08,340 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:47:08,503 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:47:08,504 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 58 [2020-11-29 18:47:08,505 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:47:08,568 INFO L625 ElimStorePlain]: treesize reduction 18, result has 76.0 percent of original size [2020-11-29 18:47:08,570 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-29 18:47:08,570 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:114, output treesize:50 [2020-11-29 18:47:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:08,623 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-11-29 18:47:08,623 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand 7 states. [2020-11-29 18:47:08,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand 7 states. Result 26 states and 28 transitions. Complement of second has 11 states. [2020-11-29 18:47:08,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 18:47:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-29 18:47:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2020-11-29 18:47:08,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 6 letters. [2020-11-29 18:47:08,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:47:08,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 15 letters. Loop has 6 letters. [2020-11-29 18:47:08,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:47:08,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 12 letters. [2020-11-29 18:47:08,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:47:08,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2020-11-29 18:47:08,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:47:08,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2020-11-29 18:47:08,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:47:08,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:47:08,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:47:08,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:47:08,747 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:47:08,747 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:47:08,747 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:47:08,747 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-29 18:47:08,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:47:08,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:47:08,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 18:47:08,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:47:08 BoogieIcfgContainer [2020-11-29 18:47:08,774 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:47:08,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:47:08,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:47:08,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:47:08,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:42" (3/4) ... [2020-11-29 18:47:08,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:47:08,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:47:08,781 INFO L168 Benchmark]: Toolchain (without parser) took 27256.22 ms. Allocated memory was 119.5 MB in the beginning and 268.4 MB in the end (delta: 148.9 MB). Free memory was 88.0 MB in the beginning and 240.5 MB in the end (delta: -152.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:47:08,782 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 88.1 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:47:08,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.40 ms. Allocated memory is still 119.5 MB. Free memory was 87.8 MB in the beginning and 87.9 MB in the end (delta: -143.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:08,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 85.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:08,783 INFO L168 Benchmark]: Boogie Preprocessor took 29.47 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 84.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:47:08,784 INFO L168 Benchmark]: RCFGBuilder took 637.50 ms. Allocated memory is still 119.5 MB. Free memory was 84.4 MB in the beginning and 69.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:08,785 INFO L168 Benchmark]: BuchiAutomizer took 25912.79 ms. Allocated memory was 119.5 MB in the beginning and 268.4 MB in the end (delta: 148.9 MB). Free memory was 68.4 MB in the beginning and 240.5 MB in the end (delta: -172.1 MB). Peak memory consumption was 132.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:08,785 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 268.4 MB. Free memory is still 240.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:47:08,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 88.1 MB. Free memory is still 44.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 615.40 ms. Allocated memory is still 119.5 MB. Free memory was 87.8 MB in the beginning and 87.9 MB in the end (delta: -143.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 119.5 MB. Free memory was 87.9 MB in the beginning and 85.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.47 ms. Allocated memory is still 119.5 MB. Free memory was 85.8 MB in the beginning and 84.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 637.50 ms. Allocated memory is still 119.5 MB. Free memory was 84.4 MB in the beginning and 69.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 25912.79 ms. Allocated memory was 119.5 MB in the beginning and 268.4 MB in the end (delta: 148.9 MB). Free memory was 68.4 MB in the beginning and 240.5 MB in the end (delta: -172.1 MB). Peak memory consumption was 132.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.40 ms. Allocated memory is still 268.4 MB. Free memory is still 240.5 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 - 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] + unknown-#memory_int-unknown[z][z] + unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 22.4s. Construction of modules took 0.3s. Büchi inclusion checks took 2.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 43 SDtfs, 47 SDslu, 39 SDs, 0 SdLazy, 138 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital899 mio100 ax103 hnf99 lsp229 ukn33 mio100 lsp90 div100 bol105 ite100 ukn100 eq169 hnf94 smp56 dnf287 smp53 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 184ms VariablesStem: 11 VariablesLoop: 10 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...