./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.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_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 d098d694ac70f506ee7e05c2de50965e1598d96f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:08:06,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:08:06,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:08:06,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:08:06,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:08:06,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:08:06,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:08:06,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:08:06,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:08:06,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:08:06,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:08:06,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:08:06,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:08:06,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:08:06,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:08:06,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:08:06,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:08:06,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:08:06,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:08:06,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:08:06,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:08:06,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:08:06,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:08:06,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:08:06,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:08:06,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:08:06,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:08:06,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:08:06,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:08:06,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:08:06,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:08:06,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:08:06,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:08:06,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:08:06,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:08:06,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:08:06,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:08:06,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:08:06,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:08:06,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:08:06,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:08:06,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 22:08:06,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:08:06,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:08:06,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:08:06,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:08:06,825 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:08:06,825 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:08:06,825 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:08:06,825 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:08:06,826 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:08:06,826 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:08:06,826 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:08:06,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:08:06,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:08:06,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:08:06,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:08:06,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:08:06,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:08:06,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:08:06,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:08:06,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:08:06,828 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:08:06,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:08:06,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:08:06,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:08:06,830 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:08:06,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:08:06,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:08:06,831 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:08:06,832 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:08:06,832 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_85077446-7a61-4a77-9055-57432ba0eca3/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 -> d098d694ac70f506ee7e05c2de50965e1598d96f [2019-11-19 22:08:07,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:08:07,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:08:07,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:08:07,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:08:07,027 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:08:07,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2019-11-19 22:08:07,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/data/8d89a6f76/ba0fa31b16944708a307fb9d89d94836/FLAGe753c2b01 [2019-11-19 22:08:07,574 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:08:07,575 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2019-11-19 22:08:07,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/data/8d89a6f76/ba0fa31b16944708a307fb9d89d94836/FLAGe753c2b01 [2019-11-19 22:08:07,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/data/8d89a6f76/ba0fa31b16944708a307fb9d89d94836 [2019-11-19 22:08:07,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:08:07,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:08:07,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:08:07,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:08:07,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:08:07,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:07" (1/1) ... [2019-11-19 22:08:07,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1686c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:07, skipping insertion in model container [2019-11-19 22:08:07,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:07" (1/1) ... [2019-11-19 22:08:07,975 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:08:08,014 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:08:08,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:08:08,420 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:08:08,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:08:08,515 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:08:08,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08 WrapperNode [2019-11-19 22:08:08,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:08:08,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:08:08,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:08:08,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:08:08,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:08:08,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:08:08,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:08:08,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:08:08,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... [2019-11-19 22:08:08,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:08:08,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:08:08,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:08:08,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:08:08,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:08,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:08:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:08:08,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:08:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:08:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:08:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:08:08,997 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:08:08,997 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:08:08,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:08 BoogieIcfgContainer [2019-11-19 22:08:08,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:08:08,999 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:08:09,000 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:08:09,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:08:09,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:08:09,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:08:07" (1/3) ... [2019-11-19 22:08:09,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49d0e7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:08:09, skipping insertion in model container [2019-11-19 22:08:09,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:08:09,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:08" (2/3) ... [2019-11-19 22:08:09,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49d0e7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:08:09, skipping insertion in model container [2019-11-19 22:08:09,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:08:09,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:08" (3/3) ... [2019-11-19 22:08:09,007 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.07-alloca.i [2019-11-19 22:08:09,078 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:08:09,078 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:08:09,078 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:08:09,078 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:08:09,078 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:08:09,079 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:08:09,079 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:08:09,079 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:08:09,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-19 22:08:09,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:08:09,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:09,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:09,122 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:08:09,122 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:08:09,122 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:08:09,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-19 22:08:09,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:08:09,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:09,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:09,126 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:08:09,126 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:08:09,133 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L557-5true [2019-11-19 22:08:09,134 INFO L796 eck$LassoCheckResult]: Loop: 6#L557-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 6#L557-5true [2019-11-19 22:08:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:09,139 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-19 22:08:09,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:09,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052400896] [2019-11-19 22:08:09,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:09,343 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:09,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:09,344 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2019-11-19 22:08:09,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:09,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831088430] [2019-11-19 22:08:09,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:09,379 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:09,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:09,380 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2019-11-19 22:08:09,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:09,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804546368] [2019-11-19 22:08:09,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:09,501 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:09,780 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-11-19 22:08:10,643 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2019-11-19 22:08:11,034 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-19 22:08:11,049 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:08:11,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:08:11,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:08:11,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:08:11,051 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:08:11,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:11,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:08:11,051 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:08:11,052 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.07-alloca.i_Iteration1_Lasso [2019-11-19 22:08:11,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:08:11,052 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:08:11,076 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 22:08:11,082 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 22:08:11,087 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 22:08:11,093 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 22:08:11,096 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 22:08:11,099 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 22:08:11,102 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 22:08:11,104 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 22:08:11,109 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 22:08:11,112 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 22:08:11,833 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-11-19 22:08:12,057 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-19 22:08:12,058 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 22:08:12,061 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 22:08:12,064 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 22:08:12,066 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 22:08:12,067 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 22:08:12,070 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 22:08:12,072 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 22:08:12,075 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 22:08:12,749 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:08:12,754 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,768 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 22:08:12,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,775 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 22:08:12,777 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,793 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 22:08:12,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:12,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:12,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,828 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 22:08:12,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,829 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:12,831 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,836 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 22:08:12,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:12,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,852 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:12,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:12,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,876 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:12,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:12,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:12,885 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 22:08:12,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:12,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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 22:08:12,898 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 22:08:12,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:12,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:12,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:12,924 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 22:08:12,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:08:12,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:08:12,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:08:12,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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) [2019-11-19 22:08:12,945 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:12,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:12,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:08:12,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:12,972 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 22:08:12,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:12,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:12,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:12,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:12,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:12,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:12,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/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) [2019-11-19 22:08:13,008 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 22:08:13,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:08:13,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:08:13,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:08:13,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:08:13,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:08:13,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:13,046 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:08:13,165 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-19 22:08:13,165 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85077446-7a61-4a77-9055-57432ba0eca3/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:08:13,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:08:13,180 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:08:13,180 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:08:13,181 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 Supporting invariants [] [2019-11-19 22:08:13,399 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-11-19 22:08:13,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:08:13,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 22:08:13,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:08:13,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:08:13,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:08:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:08:13,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:08:13,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:08:13,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:08:13,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:08:13,550 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 22:08:13,565 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-19 22:08:13,566 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-11-19 22:08:13,672 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 38 states and 44 transitions. Complement of second has 9 states. [2019-11-19 22:08:13,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:08:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:08:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2019-11-19 22:08:13,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-19 22:08:13,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:08:13,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-19 22:08:13,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:08:13,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-19 22:08:13,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:08:13,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2019-11-19 22:08:13,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:08:13,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2019-11-19 22:08:13,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-19 22:08:13,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-19 22:08:13,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-19 22:08:13,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:08:13,694 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-19 22:08:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-19 22:08:13,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-19 22:08:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 22:08:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-19 22:08:13,721 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-19 22:08:13,721 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-19 22:08:13,721 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:08:13,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-19 22:08:13,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 22:08:13,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:08:13,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:08:13,723 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:08:13,724 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:08:13,724 INFO L794 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 258#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 259#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2019-11-19 22:08:13,724 INFO L796 eck$LassoCheckResult]: Loop: 262#L557-1 assume !test_fun_#t~short10; 265#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 261#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2019-11-19 22:08:13,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:13,725 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-19 22:08:13,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:13,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446613279] [2019-11-19 22:08:13,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:08:13,829 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:08:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:08:13,830 INFO L82 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2019-11-19 22:08:13,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:08:13,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208277621] [2019-11-19 22:08:13,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:08:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:08:13,873 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 22:08:13,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208277621] [2019-11-19 22:08:13,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:08:13,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 22:08:13,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087185202] [2019-11-19 22:08:13,877 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:08:13,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:08:13,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:08:13,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:08:13,880 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-19 22:08:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:08:13,899 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-11-19 22:08:13,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:08:13,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-19 22:08:13,900 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:08:13,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-19 22:08:13,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:08:13,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:08:13,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:08:13,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:08:13,901 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:08:13,901 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:08:13,901 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:08:13,901 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:08:13,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:08:13,902 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:08:13,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:08:13,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:08:13 BoogieIcfgContainer [2019-11-19 22:08:13,908 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:08:13,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:08:13,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:08:13,908 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:08:13,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:08" (3/4) ... [2019-11-19 22:08:13,912 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:08:13,912 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:08:13,913 INFO L168 Benchmark]: Toolchain (without parser) took 5975.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 946.0 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:08:13,914 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:08:13,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:08:13,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:08:13,915 INFO L168 Benchmark]: Boogie Preprocessor took 27.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:08:13,916 INFO L168 Benchmark]: RCFGBuilder took 410.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:08:13,916 INFO L168 Benchmark]: BuchiAutomizer took 4908.16 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 95.4 MB). Free memory was 1.1 GB in the beginning and 940.6 MB in the end (delta: 118.6 MB). Peak memory consumption was 214.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:08:13,917 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:08:13,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 567.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 410.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4908.16 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 95.4 MB). Free memory was 1.1 GB in the beginning and 940.6 MB in the end (delta: 118.6 MB). Peak memory consumption was 214.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital423 mio100 ax104 hnf100 lsp93 ukn52 mio100 lsp33 div100 bol100 ite100 ukn100 eq197 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...