./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 a2a51f996e4cf34954505c04e8fa9e53d244d46a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:46,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:46,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:46,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:46,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:46,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:46,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:46,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:46,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:46,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:46,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:46,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:46,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:46,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:46,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:46,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:46,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:46,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:46,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:46,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:46,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:46,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:46,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:46,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:46,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:46,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:46,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:46,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:46,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:46,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:46,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:46,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:46,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:46,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:46,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:46,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:46,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:46,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:46,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:46,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:46,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:46,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:48:46,148 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:46,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:46,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:46,149 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:48:46,149 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:48:46,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:46,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:48:46,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:46,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:46,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:48:46,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:48:46,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:48:46,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:46,151 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:48:46,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:46,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:48:46,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:46,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:46,152 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:48:46,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:46,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:46,152 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:48:46,153 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:48:46,153 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_95df87f1-e0a5-4248-80a7-93ffef079d39/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 -> a2a51f996e4cf34954505c04e8fa9e53d244d46a [2019-11-25 08:48:46,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:46,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:46,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:46,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:46,314 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:46,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2019-11-25 08:48:46,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/data/42c7c9ad8/305a214ba0024a2f8d550e8136f8433f/FLAG077de9f12 [2019-11-25 08:48:46,835 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:46,835 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2019-11-25 08:48:46,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/data/42c7c9ad8/305a214ba0024a2f8d550e8136f8433f/FLAG077de9f12 [2019-11-25 08:48:46,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/data/42c7c9ad8/305a214ba0024a2f8d550e8136f8433f [2019-11-25 08:48:46,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:46,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:46,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:46,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:46,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:46,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:46" (1/1) ... [2019-11-25 08:48:46,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df0d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:46, skipping insertion in model container [2019-11-25 08:48:46,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:46" (1/1) ... [2019-11-25 08:48:46,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:46,941 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:47,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:47,347 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:47,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:47,449 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:47,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47 WrapperNode [2019-11-25 08:48:47,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:47,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:47,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:47,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:47,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:47,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:47,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:47,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... [2019-11-25 08:48:47,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:47,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:47,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:47,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:47,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 08:48:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 08:48:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:47,879 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:47,879 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-25 08:48:47,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:47 BoogieIcfgContainer [2019-11-25 08:48:47,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:47,881 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:48:47,881 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:48:47,884 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:48:47,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:47,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:48:46" (1/3) ... [2019-11-25 08:48:47,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20d7a500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:47, skipping insertion in model container [2019-11-25 08:48:47,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:47,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:47" (2/3) ... [2019-11-25 08:48:47,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20d7a500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:47, skipping insertion in model container [2019-11-25 08:48:47,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:47,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:47" (3/3) ... [2019-11-25 08:48:47,888 INFO L371 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2019-11-25 08:48:47,924 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:48:47,924 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:48:47,924 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:48:47,925 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:47,925 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:47,925 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:48:47,925 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:47,925 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:48:47,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-25 08:48:47,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2019-11-25 08:48:47,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:47,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:47,960 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:48:47,960 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:48:47,960 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:48:47,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-25 08:48:47,961 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2019-11-25 08:48:47,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:47,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:47,962 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:48:47,962 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:48:47,968 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 12#L552-3true [2019-11-25 08:48:47,968 INFO L796 eck$LassoCheckResult]: Loop: 12#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 10#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 12#L552-3true [2019-11-25 08:48:47,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:47,973 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-25 08:48:47,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:47,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538892071] [2019-11-25 08:48:47,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:48,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:48,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:48,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-11-25 08:48:48,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:48,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457129367] [2019-11-25 08:48:48,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:48,137 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:48,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:48,138 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2019-11-25 08:48:48,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:48,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563668138] [2019-11-25 08:48:48,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:48,218 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:48,545 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-11-25 08:48:48,598 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:48:48,731 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-25 08:48:48,732 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:48,740 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:48:48,859 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-25 08:48:48,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:48,862 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-25 08:48:48,863 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:156, output treesize:158 [2019-11-25 08:48:48,994 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-25 08:48:49,183 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-11-25 08:48:49,262 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:49,263 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:49,263 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:49,263 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:49,263 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:49,263 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:49,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:49,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:49,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2019-11-25 08:48:49,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:49,264 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:49,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:49,695 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-25 08:48:50,216 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:50,220 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,237 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 [2019-11-25 08:48:50,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,277 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 [2019-11-25 08:48:50,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,281 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:50,296 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 [2019-11-25 08:48:50,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,311 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 [2019-11-25 08:48:50,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,334 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 [2019-11-25 08:48:50,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:50,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,358 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 [2019-11-25 08:48:50,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,379 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 [2019-11-25 08:48:50,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,398 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 [2019-11-25 08:48:50,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:50,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,428 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 [2019-11-25 08:48:50,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,434 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,448 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,478 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 [2019-11-25 08:48:50,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,498 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 [2019-11-25 08:48:50,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:50,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,518 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 [2019-11-25 08:48:50,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,528 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 [2019-11-25 08:48:50,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:50,555 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 [2019-11-25 08:48:50,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,580 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 [2019-11-25 08:48:50,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,591 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 [2019-11-25 08:48:50,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:50,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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 [2019-11-25 08:48:50,610 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 [2019-11-25 08:48:50,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:50,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,638 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:50,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,650 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 [2019-11-25 08:48:50,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,664 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 [2019-11-25 08:48:50,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:50,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:50,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) [2019-11-25 08:48:50,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:50,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:50,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:50,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:50,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:50,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:50,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,689 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:48:50,806 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-25 08:48:50,806 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:50,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:48:50,842 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:48:50,842 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:48:50,843 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2019-11-25 08:48:50,857 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-25 08:48:50,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:50,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:48:50,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:50,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:48:50,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:50,955 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:48:50,957 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-25 08:48:51,005 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 36 transitions. Complement of second has 7 states. [2019-11-25 08:48:51,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:48:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2019-11-25 08:48:51,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-25 08:48:51,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:51,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-25 08:48:51,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:51,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-25 08:48:51,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:51,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2019-11-25 08:48:51,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:48:51,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2019-11-25 08:48:51,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-25 08:48:51,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-25 08:48:51,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-25 08:48:51,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:48:51,021 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-25 08:48:51,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-25 08:48:51,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-25 08:48:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-25 08:48:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-25 08:48:51,042 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-25 08:48:51,042 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-25 08:48:51,042 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:48:51,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-25 08:48:51,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-25 08:48:51,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:51,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:51,043 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:48:51,043 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-25 08:48:51,043 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 89#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 90#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 91#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 92#L559 main_#t~ret7.base, main_#t~ret7.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret7.base, main_#t~ret7.offset;havoc main_#t~ret7.base, main_#t~ret7.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~head~1.base, main_~head~1.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~1.base, traverse_~curr~1.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~1.base, traverse_~curr~1.offset := traverse_~head.base, traverse_~head.offset; 94#L564-2 [2019-11-25 08:48:51,044 INFO L796 eck$LassoCheckResult]: Loop: 94#L564-2 assume !!(traverse_~curr~1.base != 0 || traverse_~curr~1.offset != 0);call traverse_#t~mem5.base, traverse_#t~mem5.offset := read~$Pointer$(traverse_~curr~1.base, 4 + traverse_~curr~1.offset, 8);traverse_~curr~1.base, traverse_~curr~1.offset := traverse_#t~mem5.base, traverse_#t~mem5.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset; 94#L564-2 [2019-11-25 08:48:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2019-11-25 08:48:51,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:51,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166785304] [2019-11-25 08:48:51,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:51,087 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:51,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:51,087 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2019-11-25 08:48:51,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:51,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240021905] [2019-11-25 08:48:51,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:51,096 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:51,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:51,096 INFO L82 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2019-11-25 08:48:51,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:51,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869492873] [2019-11-25 08:48:51,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:51,125 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:51,617 WARN L192 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-11-25 08:48:51,635 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:48:51,810 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-25 08:48:51,811 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:51,827 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 08:48:51,972 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-25 08:48:51,973 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:51,974 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-25 08:48:51,974 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:183, output treesize:159 [2019-11-25 08:48:52,120 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-25 08:48:52,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:48:52 BoogieIcfgContainer [2019-11-25 08:48:52,156 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:48:52,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:52,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:52,159 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:52,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:47" (3/4) ... [2019-11-25 08:48:52,163 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:48:52,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_95df87f1-e0a5-4248-80a7-93ffef079d39/bin/uautomizer/witness.graphml [2019-11-25 08:48:52,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:52,233 INFO L168 Benchmark]: Toolchain (without parser) took 5366.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 883.9 MB in the end (delta: 60.8 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:52,233 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-25 08:48:52,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:52,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.90 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. [2019-11-25 08:48:52,239 INFO L168 Benchmark]: Boogie Preprocessor took 29.76 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:52,240 INFO L168 Benchmark]: RCFGBuilder took 350.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:52,241 INFO L168 Benchmark]: BuchiAutomizer took 4275.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.6 MB in the end (delta: 213.1 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:52,244 INFO L168 Benchmark]: Witness Printer took 74.22 ms. Allocated memory is still 1.2 GB. Free memory was 885.6 MB in the beginning and 883.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:52,251 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 583.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.76 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 350.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4275.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.6 MB in the end (delta: 213.1 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. * Witness Printer took 74.22 ms. Allocated memory is still 1.2 GB. Free memory was 885.6 MB in the beginning and 883.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax100 hnf100 lsp97 ukn43 mio100 lsp27 div100 bol100 ite100 ukn100 eq177 hnf92 smp100 dnf172 smp93 tf100 neg95 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {i=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@614a5a99=0, \result=0, NULL=1, next_node=0, \result=-1, next_node=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bb6f02a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@614a5a99=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@614a8a30=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@1f54560b=0, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@778a0787=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@778a0787=0, curr=0, \old(n)=0, n=0, head=-1, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@582cdba7=0, head=0, head=-1, curr=-1, NULL=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@582cdba7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@614a8a30=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...