./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.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_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 23c47ba60fd5b5d47afa1439cbedebaab58a1798 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:03:01,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:03:01,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:03:01,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:03:01,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:03:01,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:03:01,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:03:01,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:03:01,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:03:01,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:03:01,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:03:01,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:03:01,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:03:01,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:03:01,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:03:01,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:03:01,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:03:01,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:03:01,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:03:01,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:03:01,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:03:01,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:03:01,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:03:01,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:03:01,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:03:01,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:03:01,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:03:01,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:03:01,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:03:01,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:03:01,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:03:01,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:03:01,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:03:01,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:03:01,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:03:01,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:03:01,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:03:01,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:03:01,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:03:01,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:03:01,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:03:01,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:03:01,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:03:01,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:03:01,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:03:01,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:03:01,231 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:03:01,231 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:03:01,231 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:03:01,231 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:03:01,232 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:03:01,232 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:03:01,233 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:03:01,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:03:01,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:03:01,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:03:01,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:03:01,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:03:01,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:03:01,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:03:01,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:03:01,235 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:03:01,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:03:01,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:03:01,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:03:01,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:03:01,236 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:03:01,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:03:01,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:03:01,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:03:01,237 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:03:01,240 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:03:01,241 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_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c47ba60fd5b5d47afa1439cbedebaab58a1798 [2020-11-30 00:03:01,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:03:01,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:03:01,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:03:01,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:03:01,575 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:03:01,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2020-11-30 00:03:01,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/data/5e326d25f/c3052960c40047dba02626ea38522c20/FLAG126190b13 [2020-11-30 00:03:02,264 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:03:02,269 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2020-11-30 00:03:02,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/data/5e326d25f/c3052960c40047dba02626ea38522c20/FLAG126190b13 [2020-11-30 00:03:02,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/data/5e326d25f/c3052960c40047dba02626ea38522c20 [2020-11-30 00:03:02,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:03:02,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:03:02,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:03:02,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:03:02,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:03:02,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:03:02" (1/1) ... [2020-11-30 00:03:02,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b856d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:02, skipping insertion in model container [2020-11-30 00:03:02,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:03:02" (1/1) ... [2020-11-30 00:03:02,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:03:02,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:03:02,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:03:02,924 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:03:02,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:03:03,001 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:03:03,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03 WrapperNode [2020-11-30 00:03:03,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:03:03,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:03:03,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:03:03,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:03:03,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:03:03,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:03:03,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:03:03,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:03:03,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... [2020-11-30 00:03:03,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:03:03,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:03:03,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:03:03,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:03:03,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:03:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:03:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:03:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:03:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:03:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:03:03,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:03:03,624 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:03:03,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:03:03 BoogieIcfgContainer [2020-11-30 00:03:03,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:03:03,628 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:03:03,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:03:03,631 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:03:03,632 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:03:03,632 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:03:02" (1/3) ... [2020-11-30 00:03:03,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86b33bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:03:03, skipping insertion in model container [2020-11-30 00:03:03,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:03:03,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:03:03" (2/3) ... [2020-11-30 00:03:03,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@86b33bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:03:03, skipping insertion in model container [2020-11-30 00:03:03,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:03:03,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:03:03" (3/3) ... [2020-11-30 00:03:03,637 INFO L373 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-2.i [2020-11-30 00:03:03,719 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:03:03,719 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:03:03,719 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:03:03,720 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:03:03,720 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:03:03,720 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:03:03,720 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:03:03,720 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:03:03,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-30 00:03:03,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 00:03:03,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:03,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:03,778 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:03:03,779 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:03:03,779 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:03:03,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2020-11-30 00:03:03,784 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-30 00:03:03,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:03,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:03,785 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:03:03,785 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:03:03,793 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 16#L550true assume !(main_~length~0 < 1); 3#L550-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L552true assume !(main_~fac~0 < 1); 17#L552-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 6#L555true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 10#L556-3true [2020-11-30 00:03:03,793 INFO L796 eck$LassoCheckResult]: Loop: 10#L556-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 8#L556-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 10#L556-3true [2020-11-30 00:03:03,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:03,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2020-11-30 00:03:03,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:03,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397719201] [2020-11-30 00:03:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:03,910 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:03,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511332753] [2020-11-30 00:03:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:04,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:04,120 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:04,150 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:04,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:04,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2020-11-30 00:03:04,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:04,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133849239] [2020-11-30 00:03:04,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:04,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:04,177 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:04,185 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:04,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:04,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2020-11-30 00:03:04,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:04,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825945349] [2020-11-30 00:03:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:04,195 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:04,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027914237] [2020-11-30 00:03:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:04,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:04,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:04,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:04,554 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-11-30 00:03:04,676 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:03:04,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:03:04,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:03:04,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:03:04,677 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:03:04,678 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:04,678 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:03:04,678 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:03:04,678 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-2.i_Iteration1_Lasso [2020-11-30 00:03:04,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:03:04,679 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:03:04,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:04,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:04,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:04,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:04,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:04,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,047 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-11-30 00:03:05,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:05,543 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:03:05,548 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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) [2020-11-30 00:03:05,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:05,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:05,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:05,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:05,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:05,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:05,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:05,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:05,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:05,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:05,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:05,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:05,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:05,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:05,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:05,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:05,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:05,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:05,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:05,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:05,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:05,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:05,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:05,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:05,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:05,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:05,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:05,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:05,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:05,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:05,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:05,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:05,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:05,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:05,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:05,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:05,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:05,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:05,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:05,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:05,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:05,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:05,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:05,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:05,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:05,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:05,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:05,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:05,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:05,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:05,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:05,825 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:03:06,034 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-11-30 00:03:06,034 INFO L444 ModelExtractionUtils]: 13 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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) [2020-11-30 00:03:06,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:06,055 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:03:06,055 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:03:06,056 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2020-11-30 00:03:06,108 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2020-11-30 00:03:06,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:06,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:03:06,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:06,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:03:06,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:03:06,259 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-30 00:03:06,260 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2020-11-30 00:03:06,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 35 states and 46 transitions. Complement of second has 7 states. [2020-11-30 00:03:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-30 00:03:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 00:03:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2020-11-30 00:03:06,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-30 00:03:06,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:06,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2020-11-30 00:03:06,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:06,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2020-11-30 00:03:06,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:06,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2020-11-30 00:03:06,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 00:03:06,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2020-11-30 00:03:06,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-30 00:03:06,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-30 00:03:06,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2020-11-30 00:03:06,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:03:06,337 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-11-30 00:03:06,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2020-11-30 00:03:06,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-30 00:03:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-30 00:03:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2020-11-30 00:03:06,364 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-11-30 00:03:06,364 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2020-11-30 00:03:06,364 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:03:06,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2020-11-30 00:03:06,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 00:03:06,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:06,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:06,366 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:03:06,366 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:03:06,366 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L550 assume !(main_~length~0 < 1); 131#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 132#L552 assume !(main_~fac~0 < 1); 139#L552-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 141#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 133#L556-3 assume !(main_~i~0 < main_~length~0); 134#L556-4 main_~j~0 := 0; 138#L559-3 [2020-11-30 00:03:06,366 INFO L796 eck$LassoCheckResult]: Loop: 138#L559-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 140#L559-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 138#L559-3 [2020-11-30 00:03:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:06,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2020-11-30 00:03:06,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:06,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961916237] [2020-11-30 00:03:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:06,387 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:06,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727320292] [2020-11-30 00:03:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:06,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:03:06,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:03:06,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961916237] [2020-11-30 00:03:06,483 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-30 00:03:06,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727320292] [2020-11-30 00:03:06,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:03:06,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:03:06,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728197006] [2020-11-30 00:03:06,487 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:03:06,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:06,488 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2020-11-30 00:03:06,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:06,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794267225] [2020-11-30 00:03:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:06,493 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:06,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403959492] [2020-11-30 00:03:06,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:06,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:06,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:06,550 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:07,688 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-11-30 00:03:07,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:03:07,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:03:07,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:03:07,695 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-11-30 00:03:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:03:07,731 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-11-30 00:03:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:03:07,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2020-11-30 00:03:07,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 00:03:07,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2020-11-30 00:03:07,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-30 00:03:07,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-30 00:03:07,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2020-11-30 00:03:07,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:03:07,734 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-11-30 00:03:07,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2020-11-30 00:03:07,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2020-11-30 00:03:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-30 00:03:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2020-11-30 00:03:07,736 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-30 00:03:07,736 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2020-11-30 00:03:07,736 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:03:07,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2020-11-30 00:03:07,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-30 00:03:07,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:03:07,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:03:07,737 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:03:07,738 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:03:07,738 INFO L794 eck$LassoCheckResult]: Stem: 195#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 188#L550 assume !(main_~length~0 < 1); 189#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 190#L552 assume !(main_~fac~0 < 1); 196#L552-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 199#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 191#L556-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 192#L556-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 193#L556-3 assume !(main_~i~0 < main_~length~0); 194#L556-4 main_~j~0 := 0; 197#L559-3 [2020-11-30 00:03:07,738 INFO L796 eck$LassoCheckResult]: Loop: 197#L559-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 198#L559-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 197#L559-3 [2020-11-30 00:03:07,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:07,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2020-11-30 00:03:07,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:07,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184223136] [2020-11-30 00:03:07,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:07,744 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:07,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957411460] [2020-11-30 00:03:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:07,810 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:07,820 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:07,831 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:07,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:07,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2020-11-30 00:03:07,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:07,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611231399] [2020-11-30 00:03:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:07,837 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:07,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512095043] [2020-11-30 00:03:07,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:07,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-11-30 00:03:07,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-11-30 00:03:07,886 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:07,894 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:07,899 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:07,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:07,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2020-11-30 00:03:07,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:03:07,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311568583] [2020-11-30 00:03:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:03:07,915 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-30 00:03:07,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1112632915] [2020-11-30 00:03:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:03:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:07,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:03:07,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:03:07,999 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:03:09,215 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-11-30 00:03:09,420 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2020-11-30 00:03:09,537 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:03:09,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:03:09,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:03:09,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:03:09,538 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:03:09,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:09,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:03:09,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:03:09,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-2.i_Iteration3_Lasso [2020-11-30 00:03:09,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:03:09,538 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:03:09,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:09,945 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2020-11-30 00:03:10,269 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2020-11-30 00:03:10,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:10,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:10,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:10,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:03:10,483 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-11-30 00:03:10,597 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-11-30 00:03:10,975 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-30 00:03:11,055 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:03:11,055 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:11,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:11,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:11,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:11,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:11,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:11,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:11,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:11,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:11,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:03:11,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:11,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:11,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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 [2020-11-30 00:03:11,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:03:11,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:03:11,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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) [2020-11-30 00:03:11,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:11,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:03:11,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:03:11,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:03:11,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:03:11,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:03:11,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:03:11,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:03:11,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:03:11,477 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-30 00:03:11,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,548 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-30 00:03:11,549 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-30 00:03:11,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:03:11,694 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-11-30 00:03:11,694 INFO L444 ModelExtractionUtils]: 27 out of 61 variables were initially zero. Simplification set additionally 30 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3fbd84dd-902e-4970-80de-b1eb9a7b1c7f/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) [2020-11-30 00:03:11,703 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:03:11,710 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-11-30 00:03:11,710 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:03:11,710 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_2, ULTIMATE.start_main_~arr2~0.offset) = -4*ULTIMATE.start_main_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5.base)_2 - 1*ULTIMATE.start_main_~arr2~0.offset Supporting invariants [] [2020-11-30 00:03:11,845 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2020-11-30 00:03:11,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-30 00:03:11,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:03:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:11,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:03:11,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:03:11,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:03:11,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:03:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:03:11,943 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-30 00:03:11,943 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-30 00:03:11,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 15 states and 19 transitions. Complement of second has 5 states. [2020-11-30 00:03:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-30 00:03:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-30 00:03:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2020-11-30 00:03:11,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2020-11-30 00:03:11,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:11,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2020-11-30 00:03:11,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:11,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2020-11-30 00:03:11,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:03:11,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2020-11-30 00:03:11,995 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:03:11,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-11-30 00:03:11,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:03:11,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:03:11,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:03:11,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:03:11,996 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:11,996 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:11,996 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:03:11,996 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:03:11,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:03:11,996 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:03:11,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:03:12,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:03:12 BoogieIcfgContainer [2020-11-30 00:03:12,001 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:03:12,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:03:12,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:03:12,002 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:03:12,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:03:03" (3/4) ... [2020-11-30 00:03:12,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:03:12,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:03:12,008 INFO L168 Benchmark]: Toolchain (without parser) took 9455.72 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 56.5 MB in the beginning and 69.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:12,009 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 46.1 MB in the beginning and 46.0 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:03:12,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.06 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 55.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:12,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.53 ms. Allocated memory is still 88.1 MB. Free memory was 55.1 MB in the beginning and 53.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:03:12,017 INFO L168 Benchmark]: Boogie Preprocessor took 25.25 ms. Allocated memory is still 88.1 MB. Free memory was 53.6 MB in the beginning and 52.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:12,017 INFO L168 Benchmark]: RCFGBuilder took 557.28 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 37.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:12,018 INFO L168 Benchmark]: BuchiAutomizer took 8373.86 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 37.6 MB in the beginning and 69.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:03:12,018 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 134.2 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:03:12,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 46.1 MB in the beginning and 46.0 MB in the end (delta: 38.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.06 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 55.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.53 ms. Allocated memory is still 88.1 MB. Free memory was 55.1 MB in the beginning and 53.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.25 ms. Allocated memory is still 88.1 MB. Free memory was 53.6 MB in the beginning and 52.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 557.28 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 37.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8373.86 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 37.6 MB in the beginning and 69.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.37 ms. Allocated memory is still 134.2 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[__builtin_alloca (fac*length*sizeof(int))] + -1 * arr2 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 39 SDtfs, 41 SDslu, 23 SDs, 0 SdLazy, 31 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital293 mio100 ax108 hnf98 lsp151 ukn47 mio100 lsp62 div129 bol100 ite100 ukn100 eq164 hnf93 smp85 dnf114 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 240ms VariablesStem: 10 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...