./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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 0.1.24-678e011 [2019-11-20 02:17:34,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:17:34,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:17:34,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:17:34,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:17:34,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:17:34,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:17:34,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:17:34,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:17:34,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:17:34,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:17:34,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:17:34,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:17:34,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:17:34,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:17:34,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:17:34,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:17:34,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:17:34,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:17:34,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:17:34,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:17:34,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:17:34,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:17:34,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:17:34,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:17:34,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:17:34,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:17:34,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:17:34,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:17:34,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:17:34,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:17:34,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:17:34,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:17:34,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:17:34,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:17:34,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:17:34,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:17:34,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:17:34,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:17:34,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:17:34,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:17:34,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 02:17:34,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:17:34,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:17:34,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:17:34,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:17:34,691 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:17:34,691 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:17:34,691 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:17:34,691 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:17:34,691 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:17:34,691 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:17:34,692 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:17:34,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:17:34,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:17:34,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:17:34,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:17:34,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:17:34,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:17:34,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:17:34,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:17:34,693 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:17:34,693 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:17:34,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:17:34,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:17:34,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:17:34,694 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:17:34,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:17:34,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:17:34,695 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:17:34,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:17:34,696 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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 [2019-11-20 02:17:34,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:17:34,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:17:34,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:17:34,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:17:34,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:17:34,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2019-11-20 02:17:34,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/data/ef57d5eb7/14060816f8c345d9a779f5c09543f285/FLAGc21e380e1 [2019-11-20 02:17:35,403 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:17:35,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/sv-benchmarks/c/termination-memory-alloca/mult_array-alloca-2.i [2019-11-20 02:17:35,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/data/ef57d5eb7/14060816f8c345d9a779f5c09543f285/FLAGc21e380e1 [2019-11-20 02:17:35,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/data/ef57d5eb7/14060816f8c345d9a779f5c09543f285 [2019-11-20 02:17:35,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:17:35,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:17:35,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:17:35,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:17:35,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:17:35,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:17:35" (1/1) ... [2019-11-20 02:17:35,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd1d39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:35, skipping insertion in model container [2019-11-20 02:17:35,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:17:35" (1/1) ... [2019-11-20 02:17:35,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:17:36,012 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:17:36,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:17:36,439 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:17:36,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:17:36,540 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:17:36,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36 WrapperNode [2019-11-20 02:17:36,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:17:36,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:17:36,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:17:36,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:17:36,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:17:36,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:17:36,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:17:36,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:17:36,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... [2019-11-20 02:17:36,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:17:36,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:17:36,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:17:36,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:17:36,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:17:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:17:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:17:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:17:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:17:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:17:36,997 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:17:36,997 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 02:17:36,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:17:36 BoogieIcfgContainer [2019-11-20 02:17:36,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:17:36,999 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:17:36,999 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:17:37,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:17:37,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:17:37,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:17:35" (1/3) ... [2019-11-20 02:17:37,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14b76e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:17:37, skipping insertion in model container [2019-11-20 02:17:37,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:17:37,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:36" (2/3) ... [2019-11-20 02:17:37,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14b76e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:17:37, skipping insertion in model container [2019-11-20 02:17:37,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:17:37,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:17:36" (3/3) ... [2019-11-20 02:17:37,008 INFO L371 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-2.i [2019-11-20 02:17:37,071 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:17:37,072 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:17:37,073 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:17:37,073 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:17:37,073 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:17:37,073 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:17:37,073 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:17:37,073 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:17:37,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 02:17:37,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 02:17:37,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:17:37,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:17:37,122 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:17:37,122 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 02:17:37,122 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:17:37,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-20 02:17:37,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-20 02:17:37,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:17:37,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:17:37,127 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:17:37,127 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 02:17:37,136 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 16#L550true assume !(main_~length~0 < 1); 3#L550-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L552true assume !(main_~fac~0 < 1); 17#L552-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 6#L555true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 10#L556-3true [2019-11-20 02:17:37,136 INFO L796 eck$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 [2019-11-20 02:17:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:37,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2019-11-20 02:17:37,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:37,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598400840] [2019-11-20 02:17:37,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:37,257 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:37,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307504500] [2019-11-20 02:17:37,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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 [2019-11-20 02:17:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:37,364 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:37,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:37,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2019-11-20 02:17:37,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:37,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48241873] [2019-11-20 02:17:37,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:37,423 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:37,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:37,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2019-11-20 02:17:37,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:37,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549938528] [2019-11-20 02:17:37,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:37,433 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:37,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288105] [2019-11-20 02:17:37,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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 [2019-11-20 02:17:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:37,556 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:37,844 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-11-20 02:17:37,941 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:17:37,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:17:37,942 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:17:37,942 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:17:37,942 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:17:37,943 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:37,943 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:17:37,943 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:17:37,943 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-2.i_Iteration1_Lasso [2019-11-20 02:17:37,944 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:17:37,944 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:17:37,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,140 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-20 02:17:38,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:38,626 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:17:38,631 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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) [2019-11-20 02:17:38,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:38,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:38,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:38,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:38,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:38,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:38,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:38,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:17:38,747 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 02:17:38,747 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:38,757 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:17:38,761 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 02:17:38,762 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:17:38,763 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 [] [2019-11-20 02:17:38,794 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 02:17:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:38,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:17:38,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:38,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:17:38,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:17:38,920 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 [2019-11-20 02:17:38,922 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-20 02:17:38,998 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 35 states and 46 transitions. Complement of second has 7 states. [2019-11-20 02:17:39,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:17:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 02:17:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-20 02:17:39,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 02:17:39,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:39,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 02:17:39,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:39,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-20 02:17:39,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:39,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2019-11-20 02:17:39,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:17:39,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2019-11-20 02:17:39,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 02:17:39,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 02:17:39,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-20 02:17:39,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:17:39,037 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 02:17:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-20 02:17:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 02:17:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 02:17:39,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-20 02:17:39,072 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 02:17:39,073 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 02:17:39,073 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:17:39,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-20 02:17:39,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:17:39,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:17:39,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:17:39,076 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:17:39,076 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 02:17:39,077 INFO L794 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L550 assume !(main_~length~0 < 1); 131#L550-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 132#L552 assume !(main_~fac~0 < 1); 139#L552-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 141#L555 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 133#L556-3 assume !(main_~i~0 < main_~length~0); 134#L556-4 main_~j~0 := 0; 138#L559-3 [2019-11-20 02:17:39,077 INFO L796 eck$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 [2019-11-20 02:17:39,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:39,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2019-11-20 02:17:39,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:39,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491294812] [2019-11-20 02:17:39,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:39,107 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:39,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1030256660] [2019-11-20 02:17:39,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:17:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:39,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 02:17:39,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:17:39,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491294812] [2019-11-20 02:17:39,204 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 02:17:39,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030256660] [2019-11-20 02:17:39,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:17:39,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:17:39,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104023261] [2019-11-20 02:17:39,214 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:17:39,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:39,215 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2019-11-20 02:17:39,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:39,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691293053] [2019-11-20 02:17:39,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:39,230 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:39,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323448422] [2019-11-20 02:17:39,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:17:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,300 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:39,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:17:39,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 02:17:39,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:17:39,432 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 02:17:39,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:17:39,479 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-11-20 02:17:39,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 02:17:39,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-11-20 02:17:39,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:17:39,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2019-11-20 02:17:39,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 02:17:39,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 02:17:39,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-11-20 02:17:39,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:17:39,484 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-20 02:17:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-11-20 02:17:39,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-20 02:17:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 02:17:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-20 02:17:39,507 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 02:17:39,508 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 02:17:39,508 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:17:39,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-20 02:17:39,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:17:39,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:17:39,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:17:39,511 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:17:39,511 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 02:17:39,511 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 [2019-11-20 02:17:39,511 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 [2019-11-20 02:17:39,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:39,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2019-11-20 02:17:39,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:39,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916312430] [2019-11-20 02:17:39,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:39,526 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:39,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047304764] [2019-11-20 02:17:39,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:17:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,628 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:39,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2019-11-20 02:17:39,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:39,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834969501] [2019-11-20 02:17:39,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:39,638 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:39,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886645732] [2019-11-20 02:17:39,639 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:17:39,686 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-20 02:17:39,687 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-20 02:17:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,694 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:39,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:39,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2019-11-20 02:17:39,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:39,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015271343] [2019-11-20 02:17:39,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:39,706 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 02:17:39,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537736746] [2019-11-20 02:17:39,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 02:17:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:39,785 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:40,126 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2019-11-20 02:17:40,217 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:17:40,217 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:17:40,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:17:40,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:17:40,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:17:40,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:40,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:17:40,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:17:40,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-2.i_Iteration3_Lasso [2019-11-20 02:17:40,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:17:40,218 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:17:40,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,660 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2019-11-20 02:17:40,853 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-11-20 02:17:40,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:40,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:41,064 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-11-20 02:17:41,335 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 53 [2019-11-20 02:17:41,605 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-20 02:17:41,663 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:17:41,664 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:41,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:41,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:41,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:41,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:41,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,747 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 [2019-11-20 02:17:41,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:41,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:41,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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) [2019-11-20 02:17:41,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/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) [2019-11-20 02:17:41,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:41,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:41,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:41,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:41,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:41,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:41,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:41,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:41,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:41,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:41,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:41,867 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:17:41,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:41,923 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 02:17:41,924 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 02:17:42,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:17:42,088 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 02:17:42,088 INFO L444 ModelExtractionUtils]: 32 out of 66 variables were initially zero. Simplification set additionally 30 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d69dc282-d829-4666-877a-eded2c0b9b95/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:42,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:17:42,095 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-20 02:17:42,095 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:17:42,096 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 [] [2019-11-20 02:17:42,143 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-11-20 02:17:42,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:17:42,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:42,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 02:17:42,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:42,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:17:42,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:17:42,220 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 [2019-11-20 02:17:42,220 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-20 02:17:42,250 INFO L76 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. [2019-11-20 02:17:42,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:17:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:17:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-20 02:17:42,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-20 02:17:42,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:42,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-20 02:17:42,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:42,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-20 02:17:42,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:42,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-20 02:17:42,252 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:17:42,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-20 02:17:42,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:17:42,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:17:42,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:17:42,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:17:42,253 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:17:42,253 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:17:42,253 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:17:42,253 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 02:17:42,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:17:42,253 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:17:42,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:17:42,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:17:42 BoogieIcfgContainer [2019-11-20 02:17:42,259 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:17:42,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:17:42,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:17:42,259 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:17:42,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:17:36" (3/4) ... [2019-11-20 02:17:42,263 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:17:42,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:17:42,265 INFO L168 Benchmark]: Toolchain (without parser) took 6341.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:42,266 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:17:42,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:42,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:17:42,267 INFO L168 Benchmark]: Boogie Preprocessor took 25.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:17:42,268 INFO L168 Benchmark]: RCFGBuilder took 392.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:42,269 INFO L168 Benchmark]: BuchiAutomizer took 5259.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:42,269 INFO L168 Benchmark]: Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:17:42,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 616.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 392.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5259.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 5.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. 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: inital208 mio100 ax109 hnf99 lsp86 ukn87 mio100 lsp69 div113 bol100 ite134 ukn100 eq158 hnf92 smp69 dnf114 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 235ms VariablesStem: 13 VariablesLoop: 11 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...