./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.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_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i -s /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 2e31c843d33c80f978b3ed5615692b93565f0ae0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:50:22,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:50:22,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:50:22,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:50:22,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:50:22,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:50:22,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:50:22,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:50:22,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:50:22,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:50:22,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:50:22,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:50:22,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:50:22,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:50:22,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:50:22,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:50:22,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:50:22,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:50:22,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:50:22,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:50:22,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:50:22,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:50:22,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:50:22,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:50:22,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:50:22,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:50:22,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:50:22,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:50:22,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:50:22,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:50:22,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:50:22,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:50:22,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:50:22,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:50:22,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:50:22,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:50:22,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:50:22,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:50:22,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:50:22,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:50:22,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:50:22,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:50:22,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:50:22,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:50:22,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:50:22,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:50:22,801 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:50:22,802 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:50:22,802 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:50:22,802 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:50:22,802 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:50:22,803 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:50:22,803 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:50:22,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:50:22,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:50:22,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:50:22,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:50:22,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:50:22,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:50:22,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:50:22,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:50:22,805 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:50:22,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:50:22,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:50:22,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:50:22,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:50:22,806 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:50:22,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:50:22,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:50:22,807 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:50:22,808 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:50:22,808 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_281bd1e1-5987-4677-8edc-98dc78920df0/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 -> 2e31c843d33c80f978b3ed5615692b93565f0ae0 [2019-11-19 22:50:22,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:50:22,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:50:22,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:50:22,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:50:22,970 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:50:22,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2019-11-19 22:50:23,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/data/5497997f4/7e25df6be9f844b5b2bfaed40c0932a0/FLAGa4ac1a84f [2019-11-19 22:50:23,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:50:23,414 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2019-11-19 22:50:23,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/data/5497997f4/7e25df6be9f844b5b2bfaed40c0932a0/FLAGa4ac1a84f [2019-11-19 22:50:23,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/data/5497997f4/7e25df6be9f844b5b2bfaed40c0932a0 [2019-11-19 22:50:23,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:50:23,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:50:23,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:50:23,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:50:23,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:50:23,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:23,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158288d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23, skipping insertion in model container [2019-11-19 22:50:23,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:23,761 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:50:23,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:50:23,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:50:23,908 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:50:23,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:50:23,995 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:50:23,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23 WrapperNode [2019-11-19 22:50:23,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:50:23,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:50:23,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:50:23,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:50:24,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:50:24,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:50:24,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:50:24,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:50:24,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... [2019-11-19 22:50:24,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:50:24,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:50:24,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:50:24,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:50:24,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:50:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-11-19 22:50:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-11-19 22:50:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:50:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:50:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:50:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:50:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:50:24,381 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:50:24,382 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:50:24,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:50:24 BoogieIcfgContainer [2019-11-19 22:50:24,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:50:24,383 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:50:24,383 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:50:24,386 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:50:24,387 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:50:24,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:50:23" (1/3) ... [2019-11-19 22:50:24,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17935be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:50:24, skipping insertion in model container [2019-11-19 22:50:24,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:50:24,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:23" (2/3) ... [2019-11-19 22:50:24,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17935be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:50:24, skipping insertion in model container [2019-11-19 22:50:24,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:50:24,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:50:24" (3/3) ... [2019-11-19 22:50:24,394 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11.i [2019-11-19 22:50:24,458 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:50:24,458 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:50:24,458 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:50:24,458 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:50:24,458 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:50:24,458 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:50:24,459 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:50:24,459 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:50:24,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 22:50:24,496 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 22:50:24,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:50:24,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:50:24,502 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:50:24,502 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:24,502 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:50:24,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 22:50:24,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 22:50:24,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:50:24,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:50:24,505 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:50:24,505 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:24,510 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 19#L28-3true [2019-11-19 22:50:24,510 INFO L796 eck$LassoCheckResult]: Loop: 19#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 9#L32true assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 20#L36true call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 6#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 14#recFINALtrue assume true; 12#recEXITtrue >#44#return; 18#L36-1true assume -1 == main_#t~ret12;main_#t~ite13 := -1; 11#L36-3true call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ret12;havoc main_#t~mem14;havoc main_#t~ite13; 19#L28-3true [2019-11-19 22:50:24,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:24,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2019-11-19 22:50:24,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:24,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188545716] [2019-11-19 22:50:24,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:24,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:24,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:24,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2019-11-19 22:50:24,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:24,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009944429] [2019-11-19 22:50:24,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:24,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009944429] [2019-11-19 22:50:24,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:50:24,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 22:50:24,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745997773] [2019-11-19 22:50:24,841 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:50:24,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:50:24,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:50:24,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:50:24,856 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-11-19 22:50:24,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:50:24,992 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-19 22:50:24,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:50:24,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-11-19 22:50:24,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 22:50:25,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2019-11-19 22:50:25,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-19 22:50:25,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 22:50:25,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-11-19 22:50:25,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:50:25,006 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 22:50:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-11-19 22:50:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 22:50:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 22:50:25,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-19 22:50:25,033 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 22:50:25,033 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 22:50:25,033 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:50:25,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2019-11-19 22:50:25,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 22:50:25,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:50:25,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:50:25,035 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:50:25,035 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:25,035 INFO L794 eck$LassoCheckResult]: Stem: 66#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 63#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 64#L28-3 [2019-11-19 22:50:25,035 INFO L796 eck$LassoCheckResult]: Loop: 64#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 61#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 62#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 59#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 57#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 60#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 58#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 57#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 60#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 65#recFINAL assume true; 70#recEXIT >#42#return; 67#L19-1 #res := #t~ret5;havoc #t~ret5; 68#recFINAL assume true; 72#recEXIT >#44#return; 71#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 69#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ret12;havoc main_#t~mem14;havoc main_#t~ite13; 64#L28-3 [2019-11-19 22:50:25,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:25,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2019-11-19 22:50:25,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:25,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621276845] [2019-11-19 22:50:25,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:25,053 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:25,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:25,054 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2019-11-19 22:50:25,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:25,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259182100] [2019-11-19 22:50:25,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:25,161 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:25,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2019-11-19 22:50:25,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:25,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242224284] [2019-11-19 22:50:25,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:25,233 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:25,793 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-11-19 22:50:26,063 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-19 22:50:26,197 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-19 22:50:26,793 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2019-11-19 22:50:26,923 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-19 22:50:27,016 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:50:27,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:50:27,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:50:27,017 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:50:27,017 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:50:27,017 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:27,017 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:50:27,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:50:27,017 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration2_Lasso [2019-11-19 22:50:27,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:50:27,018 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:50:27,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,333 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-11-19 22:50:27,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:27,675 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-19 22:50:27,741 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:50:27,746 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:27,757 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 [2019-11-19 22:50:27,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:27,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:27,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:27,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:27,773 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 [2019-11-19 22:50:27,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:27,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:27,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:27,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:27,783 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 [2019-11-19 22:50:27,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:27,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:27,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:27,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:27,797 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 [2019-11-19 22:50:27,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:27,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:27,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:27,829 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 [2019-11-19 22:50:27,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:27,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:27,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:27,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:27,851 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 [2019-11-19 22:50:27,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:27,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:27,867 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:27,876 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:27,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:27,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:27,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:27,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:27,900 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 [2019-11-19 22:50:27,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:27,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:27,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:27,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:27,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:27,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:27,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:50:27,965 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 22:50:27,965 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:27,996 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:28,001 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:50:28,001 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:50:28,002 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2019-11-19 22:50:28,026 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-19 22:50:28,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:50:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:28,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:50:28,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:28,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-19 22:50:28,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:28,260 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:28,260 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 11 treesize of output 15 [2019-11-19 22:50:28,261 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:28,269 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:28,276 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-11-19 22:50:28,277 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:28,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:28,286 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:28,287 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:15 [2019-11-19 22:50:28,310 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-19 22:50:28,311 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:28,325 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:28,325 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:28,325 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:7 [2019-11-19 22:50:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 22:50:28,391 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-19 22:50:28,392 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-11-19 22:50:28,562 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 7 states. Result 62 states and 73 transitions. Complement of second has 17 states. [2019-11-19 22:50:28,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-19 22:50:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-19 22:50:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2019-11-19 22:50:28,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-19 22:50:28,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:28,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-19 22:50:28,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:28,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2019-11-19 22:50:28,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:28,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2019-11-19 22:50:28,580 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 22:50:28,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2019-11-19 22:50:28,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-11-19 22:50:28,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2019-11-19 22:50:28,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2019-11-19 22:50:28,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:50:28,593 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2019-11-19 22:50:28,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2019-11-19 22:50:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2019-11-19 22:50:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-19 22:50:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-11-19 22:50:28,604 INFO L711 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-11-19 22:50:28,604 INFO L591 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-11-19 22:50:28,604 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:50:28,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2019-11-19 22:50:28,607 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 22:50:28,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:50:28,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:50:28,609 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:28,609 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:50:28,609 INFO L794 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 255#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 256#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 251#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 252#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 262#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 280#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 291#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 246#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 244#recENTRY [2019-11-19 22:50:28,609 INFO L796 eck$LassoCheckResult]: Loop: 244#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 247#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 245#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 244#recENTRY [2019-11-19 22:50:28,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:28,610 INFO L82 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2019-11-19 22:50:28,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:28,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645440013] [2019-11-19 22:50:28,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:28,694 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:28,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:28,695 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2019-11-19 22:50:28,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:28,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907728614] [2019-11-19 22:50:28,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:28,725 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2019-11-19 22:50:28,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:28,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821047412] [2019-11-19 22:50:28,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:28,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:28,939 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-19 22:50:29,332 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-11-19 22:50:29,758 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-11-19 22:50:30,232 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2019-11-19 22:50:30,324 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:50:30,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:50:30,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:50:30,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:50:30,325 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:50:30,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:30,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:50:30,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:50:30,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration3_Lasso [2019-11-19 22:50:30,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:50:30,325 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:50:30,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,528 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-11-19 22:50:30,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:30,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:31,081 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-11-19 22:50:31,143 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:50:31,143 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:31,152 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 [2019-11-19 22:50:31,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,160 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 [2019-11-19 22:50:31,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:31,172 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 [2019-11-19 22:50:31,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,181 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 [2019-11-19 22:50:31,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,206 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 [2019-11-19 22:50:31,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:50:31,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,229 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 [2019-11-19 22:50:31,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:31,237 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 [2019-11-19 22:50:31,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:50:31,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,256 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 [2019-11-19 22:50:31,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:31,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:31,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:31,276 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 [2019-11-19 22:50:31,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:31,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:31,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:31,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:31,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:50:31,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:31,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:31,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:31,307 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 [2019-11-19 22:50:31,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:31,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:31,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:31,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:31,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:31,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:31,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:31,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:31,351 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:50:31,400 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-19 22:50:31,400 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:31,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:31,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:50:31,412 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:50:31,412 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2019-11-19 22:50:31,428 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-11-19 22:50:31,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:50:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:31,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-19 22:50:31,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:31,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-19 22:50:31,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:31,612 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:31,612 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 45 [2019-11-19 22:50:31,613 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:31,645 INFO L567 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2019-11-19 22:50:31,646 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:31,646 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2019-11-19 22:50:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:31,669 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-19 22:50:31,669 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand 5 states. [2019-11-19 22:50:31,814 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand 5 states. Result 99 states and 122 transitions. Complement of second has 18 states. [2019-11-19 22:50:31,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:50:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:50:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2019-11-19 22:50:31,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-19 22:50:31,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:31,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-19 22:50:31,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:31,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-19 22:50:31,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:31,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2019-11-19 22:50:31,821 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 22:50:31,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2019-11-19 22:50:31,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2019-11-19 22:50:31,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2019-11-19 22:50:31,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2019-11-19 22:50:31,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:50:31,825 INFO L688 BuchiCegarLoop]: Abstraction has 87 states and 110 transitions. [2019-11-19 22:50:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2019-11-19 22:50:31,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2019-11-19 22:50:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-19 22:50:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2019-11-19 22:50:31,835 INFO L711 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-11-19 22:50:31,835 INFO L591 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-11-19 22:50:31,835 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:50:31,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2019-11-19 22:50:31,838 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 22:50:31,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:50:31,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:50:31,839 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:31,839 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:31,839 INFO L794 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 498#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 499#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 524#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 560#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 535#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 559#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 558#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 485#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 484#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 487#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 496#recFINAL assume true; 519#recEXIT >#42#return; 544#L19-1 #res := #t~ret5;havoc #t~ret5; 543#recFINAL assume true; 534#recEXIT >#44#return; 522#L36-1 assume !(-1 == main_#t~ret12);main_#t~ite13 := 1; 513#L36-3 [2019-11-19 22:50:31,839 INFO L796 eck$LassoCheckResult]: Loop: 513#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ret12;havoc main_#t~mem14;havoc main_#t~ite13; 514#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 545#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 540#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 526#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 527#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 550#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 538#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 527#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 550#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 551#recFINAL assume true; 549#recEXIT >#42#return; 539#L19-1 #res := #t~ret5;havoc #t~ret5; 547#recFINAL assume true; 537#recEXIT >#44#return; 533#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 513#L36-3 [2019-11-19 22:50:31,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:31,840 INFO L82 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2019-11-19 22:50:31,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:31,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716809519] [2019-11-19 22:50:31,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:32,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:50:32,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716809519] [2019-11-19 22:50:32,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969820864] [2019-11-19 22:50:32,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:50:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:32,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-19 22:50:32,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:32,105 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:32,105 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 46 [2019-11-19 22:50:32,106 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:32,124 INFO L567 ElimStorePlain]: treesize reduction 20, result has 60.8 percent of original size [2019-11-19 22:50:32,124 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:32,124 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:9 [2019-11-19 22:50:32,182 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2019-11-19 22:50:32,182 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:32,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:32,187 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:32,187 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-19 22:50:32,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:32,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:50:32,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2019-11-19 22:50:32,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422952050] [2019-11-19 22:50:32,193 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:50:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:32,193 INFO L82 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2019-11-19 22:50:32,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:32,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586903872] [2019-11-19 22:50:32,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:32,239 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:32,554 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-11-19 22:50:32,788 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-19 22:50:33,243 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-11-19 22:50:33,356 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-19 22:50:33,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:50:33,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-19 22:50:33,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-11-19 22:50:33,357 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand 14 states. [2019-11-19 22:50:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:50:33,485 INFO L93 Difference]: Finished difference Result 85 states and 110 transitions. [2019-11-19 22:50:33,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 22:50:33,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 110 transitions. [2019-11-19 22:50:33,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:50:33,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 54 states and 67 transitions. [2019-11-19 22:50:33,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-19 22:50:33,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 22:50:33,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 67 transitions. [2019-11-19 22:50:33,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:50:33,492 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 67 transitions. [2019-11-19 22:50:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 67 transitions. [2019-11-19 22:50:33,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2019-11-19 22:50:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-19 22:50:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2019-11-19 22:50:33,497 INFO L711 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-11-19 22:50:33,497 INFO L591 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-11-19 22:50:33,497 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:50:33,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2019-11-19 22:50:33,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:50:33,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:50:33,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:50:33,499 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:50:33,499 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:50:33,499 INFO L794 eck$LassoCheckResult]: Stem: 754#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 749#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 750#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 747#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 748#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 755#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 779#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 777#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 752#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 774#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 751#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 753#recFINAL assume true; 770#recEXIT >#42#return; 769#L19-1 #res := #t~ret5;havoc #t~ret5; 768#recFINAL assume true; 767#recEXIT >#44#return; 763#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 759#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ret12;havoc main_#t~mem14;havoc main_#t~ite13; 760#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 745#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 746#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 740#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 737#recENTRY [2019-11-19 22:50:33,499 INFO L796 eck$LassoCheckResult]: Loop: 737#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 739#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 738#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 737#recENTRY [2019-11-19 22:50:33,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:33,500 INFO L82 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2019-11-19 22:50:33,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:33,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083117374] [2019-11-19 22:50:33,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:33,541 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:33,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:33,542 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2019-11-19 22:50:33,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:33,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725404236] [2019-11-19 22:50:33,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:33,552 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:33,553 INFO L82 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2019-11-19 22:50:33,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:50:33,553 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071576876] [2019-11-19 22:50:33,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:50:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:33,608 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:50:33,744 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-19 22:50:34,170 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-11-19 22:50:35,491 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 231 DAG size of output: 192 [2019-11-19 22:50:35,931 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-11-19 22:50:36,250 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-19 22:50:36,422 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-11-19 22:50:36,425 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:50:36,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:50:36,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:50:36,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:50:36,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:50:36,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:36,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:50:36,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:50:36,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration5_Lasso [2019-11-19 22:50:36,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:50:36,425 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:50:36,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,679 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-11-19 22:50:36,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:36,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:50:37,344 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-19 22:50:37,393 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:50:37,393 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,398 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 [2019-11-19 22:50:37,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,405 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 [2019-11-19 22:50:37,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,412 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 [2019-11-19 22:50:37,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,418 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 [2019-11-19 22:50:37,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,425 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 [2019-11-19 22:50:37,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:37,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,436 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 [2019-11-19 22:50:37,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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) [2019-11-19 22:50:37,448 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,455 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 [2019-11-19 22:50:37,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:37,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:50:37,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,470 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 [2019-11-19 22:50:37,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,477 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 [2019-11-19 22:50:37,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,485 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 [2019-11-19 22:50:37,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,492 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 [2019-11-19 22:50:37,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,499 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 [2019-11-19 22:50:37,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,511 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 [2019-11-19 22:50:37,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,518 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 [2019-11-19 22:50:37,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/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 [2019-11-19 22:50:37,525 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 [2019-11-19 22:50:37,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,528 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,532 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 [2019-11-19 22:50:37,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,539 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 [2019-11-19 22:50:37,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,548 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 [2019-11-19 22:50:37,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:50:37,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,564 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 [2019-11-19 22:50:37,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,570 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 [2019-11-19 22:50:37,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,577 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 [2019-11-19 22:50:37,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,584 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 [2019-11-19 22:50:37,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,592 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 [2019-11-19 22:50:37,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:50:37,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:50:37,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:50:37,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,599 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 [2019-11-19 22:50:37,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:37,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:50:37,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:37,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:50:37,641 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 [2019-11-19 22:50:37,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,647 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:50:37,652 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 [2019-11-19 22:50:37,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:50:37,664 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 [2019-11-19 22:50:37,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,671 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:50:37,684 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 [2019-11-19 22:50:37,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,685 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2019-11-19 22:50:37,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:50:37,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,714 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2019-11-19 22:50:37,714 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 22:50:37,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,763 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 [2019-11-19 22:50:37,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:37,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,772 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 [2019-11-19 22:50:37,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:50:37,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:50:37,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:50:37,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:50:37,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:50:37,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:50:37,786 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:50:37,800 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-19 22:50:37,800 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_281bd1e1-5987-4677-8edc-98dc78920df0/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:50:37,803 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:50:37,806 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:50:37,806 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:50:37,806 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2019-11-19 22:50:37,812 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-19 22:50:37,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:50:37,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:37,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:50:37,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:37,882 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:50:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:37,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-19 22:50:37,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:37,939 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:37,939 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-19 22:50:37,940 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:37,966 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-19 22:50:37,966 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:37,966 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-19 22:50:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:37,979 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-19 22:50:37,979 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-19 22:50:38,064 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 55 states and 65 transitions. Complement of second has 14 states. [2019-11-19 22:50:38,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:50:38,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:50:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-19 22:50:38,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-19 22:50:38,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:38,067 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:50:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:38,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:50:38,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:38,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:50:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:38,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-19 22:50:38,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:38,225 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:38,226 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-19 22:50:38,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:38,249 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-19 22:50:38,250 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:38,250 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-19 22:50:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:38,260 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-19 22:50:38,261 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-19 22:50:38,310 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 55 states and 65 transitions. Complement of second has 14 states. [2019-11-19 22:50:38,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:50:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:50:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-19 22:50:38,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-19 22:50:38,311 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:38,311 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:50:38,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:38,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:50:38,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:38,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:50:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:38,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-19 22:50:38,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:50:38,438 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 22:50:38,439 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-19 22:50:38,440 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 22:50:38,466 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-19 22:50:38,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 22:50:38,467 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-19 22:50:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:38,480 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 3 loop predicates [2019-11-19 22:50:38,481 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-19 22:50:38,564 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 68 states and 78 transitions. Complement of second has 15 states. [2019-11-19 22:50:38,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:50:38,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:50:38,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-11-19 22:50:38,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-19 22:50:38,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:38,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2019-11-19 22:50:38,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:38,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2019-11-19 22:50:38,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:50:38,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2019-11-19 22:50:38,571 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:50:38,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2019-11-19 22:50:38,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:50:38,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:50:38,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:50:38,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:50:38,571 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:50:38,571 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:50:38,571 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:50:38,572 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:50:38,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:50:38,572 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:50:38,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:50:38,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:50:38 BoogieIcfgContainer [2019-11-19 22:50:38,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:50:38,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:50:38,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:50:38,577 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:50:38,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:50:24" (3/4) ... [2019-11-19 22:50:38,580 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:50:38,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:50:38,581 INFO L168 Benchmark]: Toolchain (without parser) took 14833.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -251.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:38,581 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:50:38,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:38,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:38,583 INFO L168 Benchmark]: Boogie Preprocessor took 43.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:50:38,583 INFO L168 Benchmark]: RCFGBuilder took 295.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:38,583 INFO L168 Benchmark]: BuchiAutomizer took 14192.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.5 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:38,584 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:50:38,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 295.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14192.78 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -91.5 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.9s. Construction of modules took 0.3s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 82 SDtfs, 59 SDslu, 158 SDs, 0 SdLazy, 271 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital388 mio100 ax100 hnf100 lsp98 ukn42 mio100 lsp29 div100 bol100 ite100 ukn100 eq192 hnf90 smp100 dnf417 smp79 tf100 neg86 sie150 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 77ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 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...