./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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 32bit --witnessprinter.graph.data.programhash 5375af47d6130a7bd98a5147355b5bb76e636a73 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:33:45,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:33:45,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:33:45,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:33:45,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:33:45,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:33:45,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:33:45,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:33:45,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:33:45,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:33:45,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:33:45,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:33:45,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:33:45,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:33:45,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:33:45,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:33:45,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:33:45,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:33:45,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:33:45,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:33:45,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:33:45,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:33:45,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:33:45,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:33:45,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:33:45,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:33:45,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:33:45,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:33:45,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:33:45,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:33:45,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:33:45,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:33:45,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:33:45,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:33:45,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:33:45,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:33:45,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:33:45,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:33:45,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:33:45,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:33:45,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:33:45,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 05:33:45,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:33:45,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:33:45,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:33:45,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:33:45,131 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:33:45,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:33:45,131 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:33:45,132 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:33:45,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:33:45,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:33:45,132 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:33:45,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:33:45,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:33:45,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:33:45,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:33:45,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:33:45,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:33:45,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:33:45,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:33:45,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:33:45,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:33:45,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:33:45,134 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:33:45,135 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:33:45,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:33:45,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:33:45,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:33:45,136 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:33:45,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:33:45,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:33:45,136 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:33:45,137 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:33:45,137 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_6f81a8ce-c891-4633-b79a-ca12e256feb4/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5375af47d6130a7bd98a5147355b5bb76e636a73 [2019-11-20 05:33:45,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:33:45,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:33:45,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:33:45,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:33:45,276 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:33:45,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2019-11-20 05:33:45,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/data/381d827ec/486db87b58594cc2848bd7648b0c2077/FLAG376b2c06b [2019-11-20 05:33:45,719 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:33:45,720 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2019-11-20 05:33:45,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/data/381d827ec/486db87b58594cc2848bd7648b0c2077/FLAG376b2c06b [2019-11-20 05:33:46,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/data/381d827ec/486db87b58594cc2848bd7648b0c2077 [2019-11-20 05:33:46,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:33:46,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:33:46,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:33:46,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:33:46,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:33:46,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd64ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46, skipping insertion in model container [2019-11-20 05:33:46,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,157 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:33:46,170 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:33:46,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:33:46,323 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:33:46,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:33:46,431 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:33:46,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46 WrapperNode [2019-11-20 05:33:46,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:33:46,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:33:46,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:33:46,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:33:46,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:33:46,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:33:46,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:33:46,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:33:46,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... [2019-11-20 05:33:46,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:33:46,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:33:46,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:33:46,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:33:46,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:33:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:33:46,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:33:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:33:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:33:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:33:46,782 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:33:46,782 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 05:33:46,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:46 BoogieIcfgContainer [2019-11-20 05:33:46,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:33:46,784 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:33:46,784 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:33:46,787 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:33:46,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:33:46,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:33:46" (1/3) ... [2019-11-20 05:33:46,799 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40db8353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:33:46, skipping insertion in model container [2019-11-20 05:33:46,799 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:33:46,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:46" (2/3) ... [2019-11-20 05:33:46,799 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40db8353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:33:46, skipping insertion in model container [2019-11-20 05:33:46,800 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:33:46,800 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:46" (3/3) ... [2019-11-20 05:33:46,801 INFO L371 chiAutomizerObserver]: Analyzing ICFG array_single_elem_init.i [2019-11-20 05:33:46,845 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:33:46,850 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:33:46,850 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:33:46,850 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:33:46,851 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:33:46,851 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:33:46,851 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:33:46,851 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:33:46,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-20 05:33:46,878 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-20 05:33:46,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:33:46,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:33:46,884 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 05:33:46,884 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:33:46,885 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:33:46,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-11-20 05:33:46,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2019-11-20 05:33:46,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:33:46,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:33:46,888 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 05:33:46,888 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:33:46,895 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet1, main_#t~mem2, main_#t~mem3, main_#t~post0, main_~q~0, main_#t~mem5, main_#t~post4, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 5#L10-3true [2019-11-20 05:33:46,895 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-3true assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet1;havoc main_#t~nondet1;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 21#L14true assume 0 == main_~q~0;call write~int(1, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);call write~int((if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2), main_~#b~0.base, main_~#b~0.offset + 4 * main_~i~0, 4); 16#L14-2true call main_#t~mem2 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 9#L19true assume !(0 != main_#t~mem2);havoc main_#t~mem2; 8#L10-2true main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 5#L10-3true [2019-11-20 05:33:46,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:46,900 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-20 05:33:46,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:46,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602963469] [2019-11-20 05:33:46,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,005 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:47,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:47,006 INFO L82 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2019-11-20 05:33:47,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:47,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095247095] [2019-11-20 05:33:47,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,064 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:47,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:47,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2019-11-20 05:33:47,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:47,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123081325] [2019-11-20 05:33:47,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:47,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123081325] [2019-11-20 05:33:47,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:33:47,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:33:47,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220039532] [2019-11-20 05:33:47,373 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2019-11-20 05:33:47,517 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2019-11-20 05:33:47,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:33:47,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:33:47,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:33:47,531 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2019-11-20 05:33:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:33:47,654 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2019-11-20 05:33:47,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:33:47,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2019-11-20 05:33:47,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2019-11-20 05:33:47,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2019-11-20 05:33:47,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-11-20 05:33:47,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2019-11-20 05:33:47,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2019-11-20 05:33:47,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:33:47,668 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2019-11-20 05:33:47,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2019-11-20 05:33:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2019-11-20 05:33:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-20 05:33:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-11-20 05:33:47,696 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-20 05:33:47,696 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-20 05:33:47,697 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:33:47,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2019-11-20 05:33:47,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-11-20 05:33:47,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:33:47,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:33:47,700 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-20 05:33:47,700 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 05:33:47,701 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 68#L-1 havoc main_#res;havoc main_#t~nondet1, main_#t~mem2, main_#t~mem3, main_#t~post0, main_~q~0, main_#t~mem5, main_#t~post4, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 61#L10-3 [2019-11-20 05:33:47,701 INFO L796 eck$LassoCheckResult]: Loop: 61#L10-3 assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet1;havoc main_#t~nondet1;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 62#L14 assume !(0 == main_~q~0); 71#L14-2 call main_#t~mem2 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 72#L19 assume !(0 != main_#t~mem2);havoc main_#t~mem2; 64#L10-2 main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 61#L10-3 [2019-11-20 05:33:47,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:47,701 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2019-11-20 05:33:47,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:47,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529395120] [2019-11-20 05:33:47,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,741 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:47,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:47,744 INFO L82 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2019-11-20 05:33:47,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:47,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189924669] [2019-11-20 05:33:47,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:47,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2019-11-20 05:33:47,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:47,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914371262] [2019-11-20 05:33:47,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:47,815 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:48,029 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-11-20 05:33:48,111 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:33:48,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:33:48,117 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:33:48,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:33:48,117 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:33:48,117 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:33:48,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:33:48,118 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration2_Lasso [2019-11-20 05:33:48,118 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:33:48,118 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:33:48,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:48,557 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:33:48,562 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:48,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:33:48,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:33:48,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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) [2019-11-20 05:33:48,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:48,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:33:48,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:33:48,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:48,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,621 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 05:33:48,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,624 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 05:33:48,624 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 [2019-11-20 05:33:48,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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) [2019-11-20 05:33:48,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:48,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:33:48,646 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 [2019-11-20 05:33:48,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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 [2019-11-20 05:33:48,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:48,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:33:48,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:33:48,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:33:48,682 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:33:48,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:33:48,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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 [2019-11-20 05:33:48,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:33:48,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:33:48,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,768 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 [2019-11-20 05:33:48,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:48,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:33:48,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:33:48,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:33:48,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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) [2019-11-20 05:33:48,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:48,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,807 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 [2019-11-20 05:33:48,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:48,828 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 [2019-11-20 05:33:48,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:48,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:48,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:48,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:48,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:33:48,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:33:48,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:33:48,939 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-11-20 05:33:48,940 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:33:48,999 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,003 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 05:33:49,003 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:33:49,004 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2019-11-20 05:33:49,025 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 05:33:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:49,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:33:49,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:49,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:33:49,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:49,104 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:33:49,105 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand 3 states. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Exception during sending of exit command (exit): Broken pipe [2019-11-20 05:33:49,184 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 25 states and 36 transitions. Complement of second has 7 states. [2019-11-20 05:33:49,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:33:49,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:33:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-20 05:33:49,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2019-11-20 05:33:49,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:33:49,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-20 05:33:49,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:33:49,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2019-11-20 05:33:49,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:33:49,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2019-11-20 05:33:49,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 05:33:49,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2019-11-20 05:33:49,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 05:33:49,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 05:33:49,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2019-11-20 05:33:49,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:33:49,197 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 05:33:49,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2019-11-20 05:33:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-20 05:33:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 05:33:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2019-11-20 05:33:49,199 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 05:33:49,199 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2019-11-20 05:33:49,199 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:33:49,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2019-11-20 05:33:49,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 05:33:49,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:33:49,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:33:49,201 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 05:33:49,201 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:33:49,201 INFO L794 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet1, main_#t~mem2, main_#t~mem3, main_#t~post0, main_~q~0, main_#t~mem5, main_#t~post4, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~#c~0.base, main_~#c~0.offset;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);call main_~#c~0.base, main_~#c~0.offset := #Ultimate.allocOnStack(400000);main_~i~0 := 0; 171#L10-3 assume !(main_~i~0 < 100000); 169#L10-4 call write~int(1, main_~#a~0.base, 60000 + main_~#a~0.offset, 4);main_~i~0 := 0; 170#L32-3 [2019-11-20 05:33:49,201 INFO L796 eck$LassoCheckResult]: Loop: 170#L32-3 assume !!(main_~i~0 < 100000); 174#L34 assume !(15000 == main_~i~0); 178#L32-2 main_#t~post4 := main_~i~0;main_~i~0 := 1 + main_#t~post4;havoc main_#t~post4; 170#L32-3 [2019-11-20 05:33:49,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:49,202 INFO L82 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2019-11-20 05:33:49,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:49,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398497692] [2019-11-20 05:33:49,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:49,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398497692] [2019-11-20 05:33:49,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:33:49,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:33:49,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439561526] [2019-11-20 05:33:49,245 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:33:49,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:49,245 INFO L82 PathProgramCache]: Analyzing trace with hash 71947, now seen corresponding path program 1 times [2019-11-20 05:33:49,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:49,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322587964] [2019-11-20 05:33:49,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:49,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:49,275 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:33:49,275 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:33:49,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:33:49,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:33:49,276 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:33:49,276 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,276 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:33:49,276 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:33:49,276 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2019-11-20 05:33:49,276 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:33:49,276 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:33:49,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:49,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:49,345 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:33:49,345 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:33:49,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:33:49,362 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:33:49,362 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4=0} Honda state: {ULTIMATE.start_main_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:33:49,368 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:33:49,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:33:49,458 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:33:49,460 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:33:49,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:33:49,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:33:49,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:33:49,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:33:49,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:33:49,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:33:49,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2019-11-20 05:33:49,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:33:49,461 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:33:49,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:49,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:33:49,552 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:33:49,552 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:33:49,567 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:49,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:49,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:49,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:33:49,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:49,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:33:49,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:33:49,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:33:49,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:33:49,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:33:49,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:33:49,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:33:49,589 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 05:33:49,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:33:49,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 05:33:49,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:33:49,604 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:33:49,604 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f81a8ce-c891-4633-b79a-ca12e256feb4/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) [2019-11-20 05:33:49,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:33:49,624 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:33:49,624 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:33:49,625 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2019-11-20 05:33:49,627 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:33:49,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:49,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:33:49,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:49,661 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:33:49,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:49,672 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:33:49,672 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 05:33:49,688 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 22 states and 30 transitions. Complement of second has 4 states. [2019-11-20 05:33:49,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 05:33:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:33:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2019-11-20 05:33:49,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-20 05:33:49,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:33:49,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 05:33:49,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:33:49,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-20 05:33:49,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:33:49,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2019-11-20 05:33:49,692 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:33:49,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-11-20 05:33:49,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:33:49,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:33:49,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:33:49,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:33:49,693 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:33:49,693 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:33:49,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:33:49,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:33:49,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:33:49,694 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 05:33:49,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:33:49,694 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 05:33:49,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:33:49,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 05:33:49,694 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:33:49,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:33:49,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:33:49,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:33:49,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:33:49,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:33:49,695 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:33:49,695 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:33:49,695 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:33:49,695 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 05:33:49,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:33:49,696 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:33:49,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:33:49,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:33:49 BoogieIcfgContainer [2019-11-20 05:33:49,703 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:33:49,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:33:49,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:33:49,704 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:33:49,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:46" (3/4) ... [2019-11-20 05:33:49,708 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:33:49,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:33:49,714 INFO L168 Benchmark]: Toolchain (without parser) took 3564.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -121.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:49,715 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:33:49,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:49,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:49,717 INFO L168 Benchmark]: Boogie Preprocessor took 24.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:33:49,718 INFO L168 Benchmark]: RCFGBuilder took 292.68 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:49,721 INFO L168 Benchmark]: BuchiAutomizer took 2919.13 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:49,721 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:33:49,727 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 292.68 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2919.13 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199999 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 SDtfs, 58 SDslu, 29 SDs, 0 SdLazy, 62 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital57 mio100 ax100 hnf100 lsp95 ukn84 mio100 lsp83 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...