./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.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_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 0c73140129db08253eb2666e014a272764010e16 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:28:49,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:28:49,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:28:49,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:28:49,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:28:49,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:28:49,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:28:49,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:28:49,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:28:49,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:28:49,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:28:49,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:28:49,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:28:49,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:28:49,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:28:49,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:28:49,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:28:49,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:28:49,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:28:49,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:28:49,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:28:49,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:28:49,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:28:49,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:28:49,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:28:50,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:28:50,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:28:50,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:28:50,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:28:50,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:28:50,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:28:50,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:28:50,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:28:50,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:28:50,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:28:50,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:28:50,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:28:50,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:28:50,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:28:50,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:28:50,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:28:50,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 02:28:50,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:28:50,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:28:50,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:28:50,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:28:50,025 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:28:50,025 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:28:50,026 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:28:50,026 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:28:50,026 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:28:50,026 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:28:50,026 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:28:50,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:28:50,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:28:50,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:28:50,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:28:50,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:28:50,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:28:50,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:28:50,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:28:50,028 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:28:50,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:28:50,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:28:50,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:28:50,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:28:50,029 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:28:50,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:28:50,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:28:50,030 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:28:50,031 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:28:50,035 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_51a62ede-8164-42ee-8c07-009b21490973/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 -> 0c73140129db08253eb2666e014a272764010e16 [2019-11-20 02:28:50,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:28:50,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:28:50,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:28:50,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:28:50,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:28:50,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2019-11-20 02:28:50,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/data/9dcd4186b/5ce45c2391f74317ae8974532768099f/FLAG615bcbe1d [2019-11-20 02:28:50,708 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:28:50,709 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2019-11-20 02:28:50,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/data/9dcd4186b/5ce45c2391f74317ae8974532768099f/FLAG615bcbe1d [2019-11-20 02:28:51,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/data/9dcd4186b/5ce45c2391f74317ae8974532768099f [2019-11-20 02:28:51,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:28:51,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:28:51,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:28:51,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:28:51,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:28:51,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c31177d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51, skipping insertion in model container [2019-11-20 02:28:51,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,045 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:28:51,080 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:28:51,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:28:51,472 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:28:51,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:28:51,562 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:28:51,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51 WrapperNode [2019-11-20 02:28:51,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:28:51,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:28:51,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:28:51,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:28:51,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:28:51,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:28:51,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:28:51,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:28:51,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... [2019-11-20 02:28:51,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:28:51,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:28:51,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:28:51,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:28:51,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:28:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:28:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:28:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:28:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:28:51,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:28:51,963 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:28:51,963 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 02:28:51,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:51 BoogieIcfgContainer [2019-11-20 02:28:51,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:28:51,965 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:28:51,966 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:28:51,969 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:28:51,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:28:51,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:28:51" (1/3) ... [2019-11-20 02:28:51,971 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb47f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:28:51, skipping insertion in model container [2019-11-20 02:28:51,971 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:28:51,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:28:51" (2/3) ... [2019-11-20 02:28:51,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cb47f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:28:51, skipping insertion in model container [2019-11-20 02:28:51,972 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:28:51,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:51" (3/3) ... [2019-11-20 02:28:51,984 INFO L371 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2019-11-20 02:28:52,031 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:28:52,032 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:28:52,032 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:28:52,032 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:28:52,032 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:28:52,032 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:28:52,033 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:28:52,033 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:28:52,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 02:28:52,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 02:28:52,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:52,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:52,065 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:28:52,065 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 02:28:52,065 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:28:52,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 02:28:52,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 02:28:52,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:52,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:52,067 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:28:52,067 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 02:28:52,073 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 9#L574true assume !(main_~Alen~0 < 1); 14#L574-2true assume !(main_~Blen~0 < 1); 7#L577-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 12#L554-2true [2019-11-20 02:28:52,073 INFO L796 eck$LassoCheckResult]: Loop: 12#L554-2true assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 5#L558-2true assume !true; 6#L557-2true assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 11#L564-1true diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 12#L554-2true [2019-11-20 02:28:52,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,079 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-20 02:28:52,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834261090] [2019-11-20 02:28:52,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:52,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2019-11-20 02:28:52,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290895631] [2019-11-20 02:28:52,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:52,258 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 02:28:52,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290895631] [2019-11-20 02:28:52,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:28:52,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:28:52,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883602566] [2019-11-20 02:28:52,264 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:28:52,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:28:52,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:28:52,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:28:52,282 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-20 02:28:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:28:52,288 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2019-11-20 02:28:52,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:28:52,290 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2019-11-20 02:28:52,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 02:28:52,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2019-11-20 02:28:52,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 02:28:52,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 02:28:52,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2019-11-20 02:28:52,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:28:52,297 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2019-11-20 02:28:52,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2019-11-20 02:28:52,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 02:28:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 02:28:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2019-11-20 02:28:52,327 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2019-11-20 02:28:52,328 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2019-11-20 02:28:52,328 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:28:52,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2019-11-20 02:28:52,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 02:28:52,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:52,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:52,330 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:28:52,330 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 02:28:52,331 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 37#L574 assume !(main_~Alen~0 < 1); 38#L574-2 assume !(main_~Blen~0 < 1); 44#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 42#L554-2 [2019-11-20 02:28:52,331 INFO L796 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 40#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 45#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 41#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 42#L554-2 [2019-11-20 02:28:52,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,331 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-20 02:28:52,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45006197] [2019-11-20 02:28:52,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,415 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:52,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2019-11-20 02:28:52,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364916490] [2019-11-20 02:28:52,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,445 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:52,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2019-11-20 02:28:52,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074484957] [2019-11-20 02:28:52,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:52,549 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 02:28:52,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074484957] [2019-11-20 02:28:52,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:28:52,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 02:28:52,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080157801] [2019-11-20 02:28:52,657 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-20 02:28:52,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:28:52,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 02:28:52,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 02:28:52,704 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-11-20 02:28:52,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:28:52,778 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2019-11-20 02:28:52,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 02:28:52,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2019-11-20 02:28:52,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 02:28:52,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2019-11-20 02:28:52,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-20 02:28:52,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-20 02:28:52,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2019-11-20 02:28:52,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:28:52,784 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2019-11-20 02:28:52,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2019-11-20 02:28:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-20 02:28:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 02:28:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-20 02:28:52,790 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-20 02:28:52,790 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-20 02:28:52,791 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:28:52,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-20 02:28:52,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-20 02:28:52,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:52,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:52,793 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:28:52,794 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:28:52,795 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 72#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 73#L574 assume !(main_~Alen~0 < 1); 76#L574-2 assume !(main_~Blen~0 < 1); 81#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 78#L554-2 [2019-11-20 02:28:52,795 INFO L796 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 80#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 74#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 75#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 82#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 77#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 78#L554-2 [2019-11-20 02:28:52,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,796 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2019-11-20 02:28:52,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340774365] [2019-11-20 02:28:52,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,839 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:52,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2019-11-20 02:28:52,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306538888] [2019-11-20 02:28:52,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:28:52,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306538888] [2019-11-20 02:28:52,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:28:52,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 02:28:52,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131625135] [2019-11-20 02:28:52,889 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:28:52,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:28:52,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 02:28:52,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 02:28:52,889 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 02:28:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:28:52,930 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-11-20 02:28:52,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 02:28:52,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-11-20 02:28:52,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-20 02:28:52,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2019-11-20 02:28:52,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-20 02:28:52,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-20 02:28:52,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2019-11-20 02:28:52,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:28:52,933 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-20 02:28:52,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2019-11-20 02:28:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2019-11-20 02:28:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 02:28:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-11-20 02:28:52,936 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-20 02:28:52,936 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-20 02:28:52,936 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 02:28:52,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2019-11-20 02:28:52,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 02:28:52,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:52,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:52,938 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:28:52,938 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:28:52,938 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 107#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 108#L574 assume !(main_~Alen~0 < 1); 112#L574-2 assume !(main_~Blen~0 < 1); 118#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 114#L554-2 [2019-11-20 02:28:52,938 INFO L796 eck$LassoCheckResult]: Loop: 114#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 116#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 109#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 110#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 117#L557-2 assume !(0 == diff_~found~0); 113#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 114#L554-2 [2019-11-20 02:28:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,938 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2019-11-20 02:28:52,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270711332] [2019-11-20 02:28:52,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,978 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:52,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2019-11-20 02:28:52,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006680261] [2019-11-20 02:28:52,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:52,992 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:52,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:52,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2019-11-20 02:28:52,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:52,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083487053] [2019-11-20 02:28:52,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:53,041 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:53,152 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-11-20 02:28:53,720 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2019-11-20 02:28:53,946 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-20 02:28:53,962 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:28:53,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:28:53,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:28:53,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:28:53,964 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:28:53,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:53,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:28:53,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:28:53,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2019-11-20 02:28:53,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:28:53,965 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:28:53,991 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 02:28:53,996 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 02:28:53,998 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 02:28:54,002 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 02:28:54,008 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 02:28:54,016 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 02:28:54,019 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 02:28:54,022 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 02:28:54,024 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 02:28:54,027 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 02:28:54,029 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 02:28:54,438 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-11-20 02:28:54,490 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 02:28:54,492 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 02:28:54,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:28:54,495 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 02:28:54,498 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 02:28:54,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:28:54,504 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 02:28:55,125 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:28:55,130 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:28:55,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:55,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,154 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 02:28:55,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:55,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:28:55,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:55,196 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 02:28:55,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:28:55,222 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 02:28:55,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,248 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 02:28:55,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:55,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:28:55,268 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 02:28:55,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,278 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,287 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 02:28:55,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:55,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,303 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 02:28:55,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:55,309 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:55,314 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 02:28:55,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:55,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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) [2019-11-20 02:28:55,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:55,392 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 02:28:55,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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) [2019-11-20 02:28:55,416 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 02:28:55,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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) [2019-11-20 02:28:55,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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) [2019-11-20 02:28:55,465 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 02:28:55,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:55,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:55,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:55,490 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 02:28:55,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,532 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 02:28:55,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:55,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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) [2019-11-20 02:28:55,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:28:55,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:55,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:55,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:55,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:55,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:55,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,595 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:28:55,780 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-20 02:28:55,781 INFO L444 ModelExtractionUtils]: 26 out of 40 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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) [2019-11-20 02:28:55,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:55,845 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 02:28:55,845 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:28:55,846 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -4*ULTIMATE.start_diff_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [1*ULTIMATE.start_diff_~A.offset >= 0] [2019-11-20 02:28:55,920 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2019-11-20 02:28:55,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:28:55,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:55,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 02:28:56,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:28:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:56,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 02:28:56,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:28:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:28:56,046 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 02:28:56,046 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-20 02:28:56,137 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 21 states and 30 transitions. Complement of second has 6 states. [2019-11-20 02:28:56,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:28:56,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:28:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-20 02:28:56,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2019-11-20 02:28:56,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:28:56,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-20 02:28:56,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:28:56,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 12 letters. [2019-11-20 02:28:56,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:28:56,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2019-11-20 02:28:56,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:28:56,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2019-11-20 02:28:56,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 02:28:56,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 02:28:56,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2019-11-20 02:28:56,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:28:56,146 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-20 02:28:56,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2019-11-20 02:28:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-11-20 02:28:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 02:28:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-11-20 02:28:56,159 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-20 02:28:56,159 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-20 02:28:56,159 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 02:28:56,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2019-11-20 02:28:56,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:28:56,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:56,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:56,162 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:28:56,162 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 02:28:56,163 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 267#L574 assume !(main_~Alen~0 < 1); 268#L574-2 assume !(main_~Blen~0 < 1); 280#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 277#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 270#L558-2 [2019-11-20 02:28:56,163 INFO L796 eck$LassoCheckResult]: Loop: 270#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 269#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 270#L558-2 [2019-11-20 02:28:56,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:56,163 INFO L82 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2019-11-20 02:28:56,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:56,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165300848] [2019-11-20 02:28:56,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:56,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:56,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:56,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-11-20 02:28:56,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:56,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228877554] [2019-11-20 02:28:56,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:56,238 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:56,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:56,239 INFO L82 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2019-11-20 02:28:56,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:56,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435491251] [2019-11-20 02:28:56,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:56,281 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:56,896 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-11-20 02:28:57,142 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-20 02:28:57,145 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:28:57,145 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:28:57,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:28:57,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:28:57,145 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:28:57,146 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:57,146 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:28:57,146 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:28:57,146 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2019-11-20 02:28:57,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:28:57,146 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:28:57,155 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 02:28:57,168 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 02:28:57,171 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 02:28:57,175 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 02:28:57,178 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 02:28:57,181 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 02:28:57,187 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 02:28:57,189 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 02:28:57,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:28:57,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 02:28:57,624 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-11-20 02:28:57,665 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 02:28:57,666 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 02:28:57,668 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 02:28:57,670 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 02:28:57,674 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 02:28:57,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:28:57,683 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 02:28:57,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:28:57,849 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-20 02:28:58,153 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-20 02:28:58,274 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:28:58,274 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:58,283 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 02:28:58,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:58,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:58,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/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 02:28:58,293 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 02:28:58,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:58,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:58,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:58,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,301 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 02:28:58,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:58,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:58,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:28:58,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:28:58,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:58,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:58,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:28:58,332 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 02:28:58,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:58,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:58,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,344 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 02:28:58,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:58,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:58,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:28:58,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:58,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:58,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:58,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,362 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 02:28:58,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:28:58,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:28:58,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:28:58,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,369 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 02:28:58,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:58,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:58,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,380 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 02:28:58,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:28:58,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:28:58,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:28:58,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:28:58,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:28:58,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:28:58,429 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:28:58,504 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-20 02:28:58,504 INFO L444 ModelExtractionUtils]: 48 out of 73 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:28:58,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:58,512 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 02:28:58,512 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:28:58,512 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_diff_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 2*ULTIMATE.start_diff_~j~0 Supporting invariants [-2*ULTIMATE.start_diff_~l2~0 + 1*v_rep(select #length ULTIMATE.start_diff_~B.base)_2 >= 0] [2019-11-20 02:28:58,570 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2019-11-20 02:28:58,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:28:58,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:58,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-20 02:28:58,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:28:58,678 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_80|], 4=[|v_#valid_110|]} [2019-11-20 02:28:58,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 02:28:58,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 02:28:58,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 02:28:58,694 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2019-11-20 02:28:58,695 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-20 02:28:58,717 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 02:28:58,730 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 02:28:58,730 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-11-20 02:28:58,731 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 02:28:58,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 02:28:58,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 02:28:58,756 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:48, output treesize:63 [2019-11-20 02:28:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:28:58,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 02:28:58,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:28:58,838 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 02:28:58,839 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-20 02:28:58,839 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-11-20 02:28:58,957 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand 5 states. Result 38 states and 53 transitions. Complement of second has 9 states. [2019-11-20 02:28:58,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:28:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 02:28:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2019-11-20 02:28:58,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 02:28:58,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:28:58,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-20 02:28:58,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:28:58,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 02:28:58,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:28:58,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2019-11-20 02:28:58,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:28:58,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2019-11-20 02:28:58,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 02:28:58,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 02:28:58,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2019-11-20 02:28:58,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:28:58,962 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2019-11-20 02:28:58,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2019-11-20 02:28:58,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2019-11-20 02:28:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 02:28:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-11-20 02:28:58,965 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-20 02:28:58,965 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-20 02:28:58,965 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 02:28:58,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2019-11-20 02:28:58,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 02:28:58,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:28:58,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:28:58,966 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:28:58,966 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 02:28:58,967 INFO L794 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 444#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 445#L574 assume !(main_~Alen~0 < 1); 446#L574-2 assume !(main_~Blen~0 < 1); 457#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 454#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 455#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 449#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 450#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 459#L557-2 assume !(0 == diff_~found~0); 452#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 453#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 448#L558-2 [2019-11-20 02:28:58,967 INFO L796 eck$LassoCheckResult]: Loop: 448#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 447#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 448#L558-2 [2019-11-20 02:28:58,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:58,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2019-11-20 02:28:58,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:58,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440383421] [2019-11-20 02:28:58,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:59,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:59,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:59,023 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2019-11-20 02:28:59,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:59,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626971525] [2019-11-20 02:28:59,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:59,042 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:59,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:28:59,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2019-11-20 02:28:59,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:28:59,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034549218] [2019-11-20 02:28:59,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:28:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:28:59,093 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:28:59,730 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 133 [2019-11-20 02:28:59,910 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-20 02:28:59,912 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:28:59,912 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:28:59,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:28:59,912 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:28:59,913 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:28:59,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:28:59,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:28:59,913 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:28:59,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration6_Lasso [2019-11-20 02:28:59,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:28:59,913 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:28:59,917 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 02:28:59,925 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 02:28:59,928 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 02:28:59,930 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 02:28:59,932 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 02:28:59,934 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 02:28:59,936 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 02:28:59,944 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 02:28:59,947 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 02:28:59,949 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 02:29:00,337 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-11-20 02:29:00,409 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 02:29:00,412 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 02:29:00,415 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 02:29:00,417 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 02:29:00,418 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 02:29:00,420 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 02:29:00,422 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 02:29:00,424 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 02:29:00,603 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-20 02:29:00,878 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-20 02:29:00,990 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:29:00,991 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:00,999 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 02:29:01,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:01,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:01,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:01,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,010 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 02:29:01,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:01,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:01,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,030 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 02:29:01,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:01,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:01,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,039 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 02:29:01,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:01,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:01,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:01,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,047 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 02:29:01,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:01,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:01,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:01,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:01,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:01,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:01,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,068 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 02:29:01,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:01,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:01,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:01,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:01,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:01,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:01,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,104 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 02:29:01,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:01,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:01,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:01,108 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:01,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:01,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,122 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 02:29:01,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,135 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-20 02:29:01,135 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:01,161 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 02:29:01,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:01,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:01,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:01,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:01,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:01,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,211 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:29:01,275 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-11-20 02:29:01,276 INFO L444 ModelExtractionUtils]: 51 out of 73 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_51a62ede-8164-42ee-8c07-009b21490973/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:01,279 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:29:01,281 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 02:29:01,281 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:29:01,281 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~B.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3, ULTIMATE.start_diff_~j~0) = -1*ULTIMATE.start_diff_~B.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 - 4*ULTIMATE.start_diff_~j~0 Supporting invariants [] [2019-11-20 02:29:01,322 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2019-11-20 02:29:01,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:29:01,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:01,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:01,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:01,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:29:01,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:01,388 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 02:29:01,389 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 02:29:01,389 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-20 02:29:01,443 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 36 states and 51 transitions. Complement of second has 8 states. [2019-11-20 02:29:01,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:01,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:29:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-11-20 02:29:01,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-20 02:29:01,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:01,447 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 02:29:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:01,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:01,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:01,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:29:01,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:01,505 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 02:29:01,506 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 02:29:01,506 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-20 02:29:01,549 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 36 states and 51 transitions. Complement of second has 8 states. [2019-11-20 02:29:01,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:29:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-11-20 02:29:01,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-20 02:29:01,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:01,550 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 02:29:01,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:01,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:01,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:01,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:29:01,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:01,609 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 02:29:01,609 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 02:29:01,609 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-20 02:29:01,648 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 34 states and 51 transitions. Complement of second has 7 states. [2019-11-20 02:29:01,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:29:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2019-11-20 02:29:01,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-20 02:29:01,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:01,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 14 letters. Loop has 2 letters. [2019-11-20 02:29:01,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:01,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 12 letters. Loop has 4 letters. [2019-11-20 02:29:01,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:01,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 51 transitions. [2019-11-20 02:29:01,652 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:29:01,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2019-11-20 02:29:01,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:29:01,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:29:01,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:29:01,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:29:01,652 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:01,653 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:01,653 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:01,653 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 02:29:01,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:29:01,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:29:01,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:29:01,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:29:01 BoogieIcfgContainer [2019-11-20 02:29:01,659 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:29:01,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:29:01,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:29:01,659 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:29:01,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:28:51" (3/4) ... [2019-11-20 02:29:01,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:29:01,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:29:01,666 INFO L168 Benchmark]: Toolchain (without parser) took 10636.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 285.7 MB). Free memory was 939.4 MB in the beginning and 894.1 MB in the end (delta: 45.3 MB). Peak memory consumption was 331.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:01,666 INFO L168 Benchmark]: CDTParser took 0.29 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 02:29:01,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:01,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:01,668 INFO L168 Benchmark]: Boogie Preprocessor took 33.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:29:01,668 INFO L168 Benchmark]: RCFGBuilder took 319.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:01,669 INFO L168 Benchmark]: BuchiAutomizer took 9693.23 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 894.1 MB in the end (delta: 172.4 MB). Peak memory consumption was 343.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:01,669 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.3 GB. Free memory is still 894.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:29:01,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 533.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 319.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9693.23 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 894.1 MB in the end (delta: 172.4 MB). Peak memory consumption was 343.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.3 GB. Free memory is still 894.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[__builtin_alloca (Alen * sizeof(int))] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (Blen * sizeof(int))] + -2 * j and consists of 6 locations. One nondeterministic module has affine ranking function -1 * B + unknown-#length-unknown[__builtin_alloca (Blen * sizeof(int))] + -4 * j and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 8.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 108 SDtfs, 119 SDslu, 71 SDs, 0 SdLazy, 87 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital264 mio100 ax106 hnf99 lsp84 ukn88 mio100 lsp52 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 3 VariablesLoop: 2 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...