./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 c0c30085260bdb967fa5af56fb7a55027317cc86 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 18:36:49,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:36:49,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:36:49,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:36:49,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:36:49,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:36:49,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:36:49,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:36:49,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:36:49,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:36:49,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:36:49,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:36:49,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:36:49,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:36:49,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:36:49,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:36:49,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:36:49,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:36:49,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:36:49,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:36:49,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:36:49,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:36:49,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:36:49,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:36:49,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:36:49,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:36:49,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:36:49,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:36:49,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:36:49,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:36:49,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:36:49,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:36:49,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:36:49,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:36:49,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:36:49,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:36:49,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:36:49,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:36:49,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:36:49,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:36:49,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:36:49,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:36:49,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:36:49,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:36:49,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:36:49,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:36:49,551 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:36:49,551 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:36:49,551 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:36:49,552 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:36:49,552 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:36:49,552 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:36:49,553 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:36:49,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:36:49,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:36:49,554 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:36:49,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:36:49,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:36:49,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:36:49,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:36:49,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:36:49,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:36:49,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:36:49,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:36:49,556 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:36:49,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:36:49,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:36:49,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:36:49,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:36:49,557 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:36:49,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:36:49,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:36:49,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:36:49,560 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:36:49,561 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:36:49,561 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0c30085260bdb967fa5af56fb7a55027317cc86 [2020-11-29 18:36:49,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:36:49,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:36:49,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:36:49,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:36:49,867 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:36:49,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/../../sv-benchmarks/c/loops/trex04.c [2020-11-29 18:36:49,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/data/d39aa30f3/a552a3af8e82415e9f27a2861924a878/FLAG45071deb8 [2020-11-29 18:36:50,412 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:36:50,413 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/sv-benchmarks/c/loops/trex04.c [2020-11-29 18:36:50,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/data/d39aa30f3/a552a3af8e82415e9f27a2861924a878/FLAG45071deb8 [2020-11-29 18:36:50,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/data/d39aa30f3/a552a3af8e82415e9f27a2861924a878 [2020-11-29 18:36:50,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:36:50,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:36:50,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:36:50,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:36:50,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:36:50,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:36:50" (1/1) ... [2020-11-29 18:36:50,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77236f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:50, skipping insertion in model container [2020-11-29 18:36:50,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:36:50" (1/1) ... [2020-11-29 18:36:50,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:36:50,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:36:50,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:36:51,006 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:36:51,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:36:51,075 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:36:51,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51 WrapperNode [2020-11-29 18:36:51,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:36:51,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:36:51,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:36:51,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:36:51,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:36:51,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:36:51,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:36:51,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:36:51,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... [2020-11-29 18:36:51,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:36:51,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:36:51,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:36:51,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:36:51,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:36:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:36:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:36:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:36:51,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:36:51,677 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-29 18:36:51,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:51 BoogieIcfgContainer [2020-11-29 18:36:51,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:36:51,680 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:36:51,680 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:36:51,684 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:36:51,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:36:51,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:36:50" (1/3) ... [2020-11-29 18:36:51,686 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67c5b882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:36:51, skipping insertion in model container [2020-11-29 18:36:51,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:36:51,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:51" (2/3) ... [2020-11-29 18:36:51,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67c5b882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:36:51, skipping insertion in model container [2020-11-29 18:36:51,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:36:51,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:51" (3/3) ... [2020-11-29 18:36:51,690 INFO L373 chiAutomizerObserver]: Analyzing ICFG trex04.c [2020-11-29 18:36:51,747 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:36:51,747 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:36:51,747 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:36:51,747 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:36:51,748 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:36:51,748 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:36:51,748 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:36:51,748 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:36:51,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-11-29 18:36:51,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 18:36:51,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:36:51,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:36:51,794 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:51,794 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 18:36:51,794 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:36:51,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2020-11-29 18:36:51,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 18:36:51,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:36:51,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:36:51,801 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:51,802 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 18:36:51,809 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_~d~0, main_~x~0, main_~c1~1, main_~c2~1;main_~d~0 := 1;main_~x~0 := main_#t~nondet11;havoc main_#t~nondet11; 12#L31true assume !!(main_~x~0 <= 1000000 && main_~x~0 >= -1000000);main_~c1~1 := main_#t~nondet12;havoc main_#t~nondet12;main_~c2~1 := main_#t~nondet13;havoc main_#t~nondet13; 19#L34true assume !(0 != main_~c1~1 % 256); 15#L34-2true assume !(0 != main_~c2~1 % 256); 21#L35true main_~c1~1 := main_#t~nondet14;havoc main_#t~nondet14;main_~c2~1 := main_#t~nondet15;havoc main_#t~nondet15; 5#L39true assume !(0 != main_~c1~1 % 256); 3#L39-1true assume !(0 != main_~c2~1 % 256); 9#L42-1true [2020-11-29 18:36:51,810 INFO L796 eck$LassoCheckResult]: Loop: 9#L42-1true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 - main_~d~0; 9#L42-1true [2020-11-29 18:36:51,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:51,817 INFO L82 PathProgramCache]: Analyzing trace with hash 179965264, now seen corresponding path program 1 times [2020-11-29 18:36:51,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:51,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58909736] [2020-11-29 18:36:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:51,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:51,960 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:51,997 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:36:51,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:51,999 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 1 times [2020-11-29 18:36:52,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:52,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852464859] [2020-11-29 18:36:52,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:52,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:52,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:52,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:36:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:52,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1283955952, now seen corresponding path program 1 times [2020-11-29 18:36:52,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:52,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291616250] [2020-11-29 18:36:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:52,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:52,147 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:52,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:36:52,633 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-11-29 18:36:52,813 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-29 18:36:52,823 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:36:52,825 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:36:52,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:36:52,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:36:52,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:36:52,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:52,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:36:52,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:36:52,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2020-11-29 18:36:52,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:36:52,826 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:36:52,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:52,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:52,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:52,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:52,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:52,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:52,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:36:53,410 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 18:36:53,790 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:36:53,795 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:53,812 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 [2020-11-29 18:36:53,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:53,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:36:53,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:53,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:53,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:53,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:36:53,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:53,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:53,868 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 [2020-11-29 18:36:53,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:53,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:36:53,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:53,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:53,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:53,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:36:53,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:36:53,874 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:53,912 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 [2020-11-29 18:36:53,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:53,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:36:53,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:53,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:53,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:53,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:36:53,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:36:53,923 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:53,950 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 [2020-11-29 18:36:53,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:53,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:53,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:53,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:53,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:53,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:53,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:53,995 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 [2020-11-29 18:36:53,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:53,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:53,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:53,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:36:54,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:36:54,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:36:54,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:36:54,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,085 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 [2020-11-29 18:36:54,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,129 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 [2020-11-29 18:36:54,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,179 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 [2020-11-29 18:36:54,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,251 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 [2020-11-29 18:36:54,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,319 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 [2020-11-29 18:36:54,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,333 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,382 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 [2020-11-29 18:36:54,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,389 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 [2020-11-29 18:36:54,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,447 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 [2020-11-29 18:36:54,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,514 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 [2020-11-29 18:36:54,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:36:54,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,630 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,692 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 [2020-11-29 18:36:54,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,733 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 [2020-11-29 18:36:54,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,764 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 [2020-11-29 18:36:54,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:36:54,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:36:54,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:36:54,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,810 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 [2020-11-29 18:36:54,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:36:54,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:36:54,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:36:54,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:36:54,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:54,893 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 [2020-11-29 18:36:54,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:54,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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) [2020-11-29 18:36:54,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:36:54,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:54,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:54,951 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 [2020-11-29 18:36:54,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/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 [2020-11-29 18:36:54,990 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 [2020-11-29 18:36:54,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:36:54,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:36:54,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:36:54,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:36:55,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:36:55,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:36:55,009 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:36:55,056 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-29 18:36:55,056 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:36:55,065 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:36:55,068 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 18:36:55,069 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:36:55,069 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~d~0 - 1 >= 0] [2020-11-29 18:36:55,137 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-11-29 18:36:55,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:55,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:36:55,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:55,228 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:36:55,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:36:55,244 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2020-11-29 18:36:55,245 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2020-11-29 18:36:55,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 3 states. Result 64 states and 92 transitions. Complement of second has 8 states. [2020-11-29 18:36:55,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2020-11-29 18:36:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 18:36:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 64 transitions. [2020-11-29 18:36:55,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 8 letters. Loop has 1 letters. [2020-11-29 18:36:55,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:36:55,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 9 letters. Loop has 1 letters. [2020-11-29 18:36:55,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:36:55,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 64 transitions. Stem has 8 letters. Loop has 2 letters. [2020-11-29 18:36:55,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:36:55,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 92 transitions. [2020-11-29 18:36:55,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-29 18:36:55,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 24 states and 38 transitions. [2020-11-29 18:36:55,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-11-29 18:36:55,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-11-29 18:36:55,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 38 transitions. [2020-11-29 18:36:55,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:36:55,411 INFO L691 BuchiCegarLoop]: Abstraction has 24 states and 38 transitions. [2020-11-29 18:36:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 38 transitions. [2020-11-29 18:36:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2020-11-29 18:36:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-29 18:36:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 35 transitions. [2020-11-29 18:36:55,452 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 35 transitions. [2020-11-29 18:36:55,452 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 35 transitions. [2020-11-29 18:36:55,452 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:36:55,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 35 transitions. [2020-11-29 18:36:55,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-29 18:36:55,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:36:55,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:36:55,459 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:55,459 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-29 18:36:55,460 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 187#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_~d~0, main_~x~0, main_~c1~1, main_~c2~1;main_~d~0 := 1;main_~x~0 := main_#t~nondet11;havoc main_#t~nondet11; 188#L31 assume !!(main_~x~0 <= 1000000 && main_~x~0 >= -1000000);main_~c1~1 := main_#t~nondet12;havoc main_#t~nondet12;main_~c2~1 := main_#t~nondet13;havoc main_#t~nondet13; 189#L34 assume 0 != main_~c1~1 % 256;main_~d~0 := main_~d~0 - 1; 191#L34-2 assume !(0 != main_~c2~1 % 256); 186#L35 main_~c1~1 := main_#t~nondet14;havoc main_#t~nondet14;main_~c2~1 := main_#t~nondet15;havoc main_#t~nondet15; 183#L39 assume !(0 != main_~c1~1 % 256); 182#L39-1 assume !(0 != main_~c2~1 % 256); 180#L42-1 [2020-11-29 18:36:55,460 INFO L796 eck$LassoCheckResult]: Loop: 180#L42-1 assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 - main_~d~0; 180#L42-1 [2020-11-29 18:36:55,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:55,461 INFO L82 PathProgramCache]: Analyzing trace with hash 178118222, now seen corresponding path program 1 times [2020-11-29 18:36:55,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:55,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99544822] [2020-11-29 18:36:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:55,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:55,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:55,504 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:36:55,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:55,505 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 2 times [2020-11-29 18:36:55,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:55,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195462518] [2020-11-29 18:36:55,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:55,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:55,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:55,512 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:36:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1226697650, now seen corresponding path program 1 times [2020-11-29 18:36:55,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:36:55,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854482523] [2020-11-29 18:36:55,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:36:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:55,531 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:36:55,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:36:55,558 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:36:55,907 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2020-11-29 18:36:56,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:36:56 BoogieIcfgContainer [2020-11-29 18:36:56,037 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:36:56,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:36:56,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:36:56,038 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:36:56,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:51" (3/4) ... [2020-11-29 18:36:56,041 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 18:36:56,076 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_70c8edc5-dc1d-4310-8704-71280c817e4d/bin/uautomizer/witness.graphml [2020-11-29 18:36:56,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:36:56,077 INFO L168 Benchmark]: Toolchain (without parser) took 5278.26 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 58.5 MB in the beginning and 47.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 54.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:56,078 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 86.0 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:36:56,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.48 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 84.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:56,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.05 ms. Allocated memory is still 107.0 MB. Free memory was 84.4 MB in the beginning and 82.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:56,080 INFO L168 Benchmark]: Boogie Preprocessor took 24.19 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.8 MB in the end (delta: 819.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:36:56,081 INFO L168 Benchmark]: RCFGBuilder took 536.11 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 68.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:56,082 INFO L168 Benchmark]: BuchiAutomizer took 4357.16 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.0 MB in the beginning and 49.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:56,083 INFO L168 Benchmark]: Witness Printer took 38.26 ms. Allocated memory is still 130.0 MB. Free memory was 49.7 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:56,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 86.0 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 263.48 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 84.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.05 ms. Allocated memory is still 107.0 MB. Free memory was 84.4 MB in the beginning and 82.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.19 ms. Allocated memory is still 107.0 MB. Free memory was 82.7 MB in the beginning and 81.8 MB in the end (delta: 819.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 536.11 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 68.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4357.16 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 68.0 MB in the beginning and 49.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * Witness Printer took 38.26 ms. Allocated memory is still 130.0 MB. Free memory was 49.7 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 x and consists of 6 locations. The remainder module has 21 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 45 SDtfs, 47 SDslu, 25 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax100 hnf98 lsp69 ukn47 mio100 lsp47 div209 bol100 ite100 ukn100 eq145 hnf45 smp100 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms 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: 42]: 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 {NULL=0, NULL=0, d=0, NULL=0, NULL=2, NULL=0, \result=0, NULL=4, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16dda674=0, NULL=0, c2=256, c1=256, x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fc11032=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27b023d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@191a404f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@628fab1e=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 [L35] COND FALSE !(\read(c2)) [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) [L40] COND FALSE !(\read(c2)) Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...