./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c10d45b5c95e322c3a9476f6a89ce233987fcc3d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:54:28,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:54:28,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:54:28,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:54:28,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:54:28,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:54:28,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:54:28,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:54:28,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:54:28,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:54:28,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:54:28,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:54:28,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:54:28,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:54:28,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:54:28,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:54:28,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:54:28,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:54:28,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:54:28,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:54:28,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:54:28,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:54:28,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:54:28,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:54:28,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:54:28,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:54:28,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:54:28,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:54:28,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:54:28,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:54:28,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:54:28,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:54:28,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:54:28,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:54:28,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:54:28,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:54:28,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:54:28,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:54:28,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:54:28,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:54:28,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:54:28,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:54:28,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:54:28,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:54:28,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:54:28,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:54:28,775 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:54:28,776 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:54:28,776 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:54:28,776 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:54:28,776 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:54:28,777 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:54:28,778 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:54:28,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:54:28,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:54:28,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:54:28,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:54:28,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:54:28,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:54:28,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:54:28,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:54:28,781 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:54:28,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:54:28,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:54:28,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:54:28,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:54:28,782 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:54:28,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:54:28,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:54:28,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:54:28,783 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:54:28,784 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:54:28,785 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_018184ec-af47-4499-9e63-d31547218ffc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c10d45b5c95e322c3a9476f6a89ce233987fcc3d [2020-12-01 15:54:29,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:54:29,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:54:29,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:54:29,176 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:54:29,177 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:54:29,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2020-12-01 15:54:29,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/data/aa0493048/cd7ae4dea2594ff6843c3cc5f4f09a43/FLAG2970b8aa8 [2020-12-01 15:54:29,935 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:54:29,936 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrpbrk-alloca-1.i [2020-12-01 15:54:29,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/data/aa0493048/cd7ae4dea2594ff6843c3cc5f4f09a43/FLAG2970b8aa8 [2020-12-01 15:54:30,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/data/aa0493048/cd7ae4dea2594ff6843c3cc5f4f09a43 [2020-12-01 15:54:30,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:54:30,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:54:30,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:54:30,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:54:30,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:54:30,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c33d46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30, skipping insertion in model container [2020-12-01 15:54:30,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:54:30,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:54:30,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:54:30,667 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:54:30,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:54:30,766 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:54:30,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30 WrapperNode [2020-12-01 15:54:30,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:54:30,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:54:30,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:54:30,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:54:30,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:54:30,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:54:30,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:54:30,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:54:30,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... [2020-12-01 15:54:30,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:54:30,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:54:30,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:54:30,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:54:30,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:54:30,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:54:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:54:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:54:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:54:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:54:31,457 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:54:31,457 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 15:54:31,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:54:31 BoogieIcfgContainer [2020-12-01 15:54:31,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:54:31,463 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:54:31,464 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:54:31,468 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:54:31,469 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:54:31,469 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:54:30" (1/3) ... [2020-12-01 15:54:31,471 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b002d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:54:31, skipping insertion in model container [2020-12-01 15:54:31,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:54:31,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:54:30" (2/3) ... [2020-12-01 15:54:31,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b002d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:54:31, skipping insertion in model container [2020-12-01 15:54:31,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:54:31,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:54:31" (3/3) ... [2020-12-01 15:54:31,476 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-1.i [2020-12-01 15:54:31,559 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:54:31,559 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:54:31,559 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:54:31,559 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:54:31,559 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:54:31,560 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:54:31,560 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:54:31,560 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:54:31,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-12-01 15:54:31,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:54:31,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:54:31,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:54:31,609 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:54:31,609 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:54:31,610 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:54:31,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-12-01 15:54:31,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:54:31,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:54:31,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:54:31,616 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:54:31,616 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:54:31,624 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 10#L562true assume !(main_~length1~0 < 1); 14#L562-2true assume !(main_~length2~0 < 1); 6#L565-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset, cstrpbrk_~c~0, cstrpbrk_~sc~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;havoc cstrpbrk_~c~0;havoc cstrpbrk_~sc~0; 16#L553-4true [2020-12-01 15:54:31,625 INFO L796 eck$LassoCheckResult]: Loop: 16#L553-4true cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 11#L552-1true assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 13#L553-3true assume !true; 16#L553-4true [2020-12-01 15:54:31,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:31,634 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2020-12-01 15:54:31,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:31,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129021674] [2020-12-01 15:54:31,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:31,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:31,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:31,912 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:31,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:31,920 INFO L82 PathProgramCache]: Analyzing trace with hash 49828, now seen corresponding path program 1 times [2020-12-01 15:54:31,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:31,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615517991] [2020-12-01 15:54:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:32,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615517991] [2020-12-01 15:54:32,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:54:32,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-12-01 15:54:32,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647183395] [2020-12-01 15:54:32,014 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-12-01 15:54:32,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:54:32,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:54:32,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:54:32,039 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2020-12-01 15:54:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:54:32,049 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2020-12-01 15:54:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:54:32,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2020-12-01 15:54:32,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:54:32,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 10 states and 13 transitions. [2020-12-01 15:54:32,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-12-01 15:54:32,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-12-01 15:54:32,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-12-01 15:54:32,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:54:32,064 INFO L692 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-12-01 15:54:32,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-12-01 15:54:32,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-12-01 15:54:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-01 15:54:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-12-01 15:54:32,098 INFO L715 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-12-01 15:54:32,098 INFO L595 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-12-01 15:54:32,098 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:54:32,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-12-01 15:54:32,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-12-01 15:54:32,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:54:32,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:54:32,103 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-12-01 15:54:32,103 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 15:54:32,104 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 38#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 39#L562 assume !(main_~length1~0 < 1); 45#L562-2 assume !(main_~length2~0 < 1); 40#L565-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset, cstrpbrk_~c~0, cstrpbrk_~sc~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;havoc cstrpbrk_~c~0;havoc cstrpbrk_~sc~0; 41#L553-4 [2020-12-01 15:54:32,104 INFO L796 eck$LassoCheckResult]: Loop: 41#L553-4 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 46#L552-1 assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 47#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 43#L553-1 assume !(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 41#L553-4 [2020-12-01 15:54:32,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:32,116 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2020-12-01 15:54:32,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:32,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248679074] [2020-12-01 15:54:32,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:32,136 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:32,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:32,164 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:32,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:32,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1544297, now seen corresponding path program 1 times [2020-12-01 15:54:32,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:32,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477733515] [2020-12-01 15:54:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:32,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:32,197 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:32,200 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:32,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:32,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1298350894, now seen corresponding path program 1 times [2020-12-01 15:54:32,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:32,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299996084] [2020-12-01 15:54:32,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:32,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:32,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:32,317 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:32,491 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-01 15:54:33,034 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 80 [2020-12-01 15:54:33,194 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 15:54:33,220 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:54:33,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:54:33,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:54:33,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:54:33,222 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:54:33,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:33,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:54:33,224 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:54:33,224 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration2_Lasso [2020-12-01 15:54:33,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:54:33,225 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:54:33,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,700 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-12-01 15:54:33,893 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-12-01 15:54:33,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:33,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:34,505 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:54:34,510 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:34,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:54:34,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,538 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 [2020-12-01 15:54:34,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,582 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 [2020-12-01 15:54:34,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:34,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,634 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 [2020-12-01 15:54:34,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:34,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:54:34,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:34,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,717 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 [2020-12-01 15:54:34,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:34,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,751 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 [2020-12-01 15:54:34,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:34,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:34,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:34,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:54:34,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:34,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,873 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 [2020-12-01 15:54:34,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:34,885 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,910 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 [2020-12-01 15:54:34,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:34,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:34,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:34,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:34,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:34,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:34,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:34,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:34,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:34,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:34,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:34,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:34,999 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 [2020-12-01 15:54:35,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:35,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:35,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:35,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:35,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:35,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:35,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:35,033 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 [2020-12-01 15:54:35,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:35,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:35,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:35,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:35,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:35,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:35,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:35,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:35,074 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 [2020-12-01 15:54:35,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:35,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:35,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:35,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:35,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:35,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:35,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:54:35,153 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-12-01 15:54:35,153 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:35,193 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:54:35,210 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:54:35,211 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:54:35,211 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s1.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~s1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~s1.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s1.base)_1 Supporting invariants [] [2020-12-01 15:54:35,284 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2020-12-01 15:54:35,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:54:35,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:35,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:54:35,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:35,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 15:54:35,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:35,512 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 [2020-12-01 15:54:35,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand 3 states. [2020-12-01 15:54:35,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 16 states and 20 transitions. Complement of second has 4 states. [2020-12-01 15:54:35,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 15:54:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-12-01 15:54:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-12-01 15:54:35,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2020-12-01 15:54:35,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:35,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2020-12-01 15:54:35,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:35,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2020-12-01 15:54:35,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:35,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2020-12-01 15:54:35,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 15:54:35,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 19 transitions. [2020-12-01 15:54:35,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-12-01 15:54:35,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-12-01 15:54:35,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2020-12-01 15:54:35,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:54:35,560 INFO L692 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-12-01 15:54:35,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2020-12-01 15:54:35,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2020-12-01 15:54:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-01 15:54:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2020-12-01 15:54:35,562 INFO L715 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-12-01 15:54:35,562 INFO L595 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2020-12-01 15:54:35,563 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 15:54:35,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2020-12-01 15:54:35,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 15:54:35,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:54:35,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:54:35,566 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:54:35,566 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:54:35,566 INFO L794 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 149#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 150#L562 assume !(main_~length1~0 < 1); 157#L562-2 assume !(main_~length2~0 < 1); 147#L565-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset, cstrpbrk_~c~0, cstrpbrk_~sc~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;havoc cstrpbrk_~c~0;havoc cstrpbrk_~sc~0; 148#L553-4 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 158#L552-1 assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 160#L553-3 [2020-12-01 15:54:35,566 INFO L796 eck$LassoCheckResult]: Loop: 160#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 152#L553-1 assume !!(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 153#L554 assume !(cstrpbrk_~sc~0 == cstrpbrk_~c~0); 160#L553-3 [2020-12-01 15:54:35,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:35,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935627, now seen corresponding path program 1 times [2020-12-01 15:54:35,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:35,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964283333] [2020-12-01 15:54:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:35,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:35,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:35,625 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:35,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:35,626 INFO L82 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 1 times [2020-12-01 15:54:35,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:35,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898143713] [2020-12-01 15:54:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:35,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:35,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:35,649 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:35,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:35,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1594172151, now seen corresponding path program 1 times [2020-12-01 15:54:35,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:35,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17691261] [2020-12-01 15:54:35,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:35,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:35,722 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:35,727 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:36,397 WARN L197 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2020-12-01 15:54:36,605 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-01 15:54:36,609 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:54:36,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:54:36,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:54:36,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:54:36,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:54:36,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:36,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:54:36,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:54:36,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration3_Lasso [2020-12-01 15:54:36,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:54:36,611 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:54:36,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:36,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:36,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:36,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:36,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:36,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,042 WARN L197 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2020-12-01 15:54:37,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:37,928 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:54:37,933 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:37,947 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 [2020-12-01 15:54:37,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:37,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:37,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:37,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:37,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:37,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:37,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:37,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,007 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 [2020-12-01 15:54:38,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:38,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:38,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:38,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,070 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 [2020-12-01 15:54:38,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:38,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:38,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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 [2020-12-01 15:54:38,135 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 [2020-12-01 15:54:38,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,139 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:38,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:38,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:38,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:38,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,273 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 [2020-12-01 15:54:38,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,357 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 [2020-12-01 15:54:38,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,422 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:38,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,473 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 [2020-12-01 15:54:38,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:38,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,550 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 [2020-12-01 15:54:38,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/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) [2020-12-01 15:54:38,607 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 [2020-12-01 15:54:38,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,655 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 [2020-12-01 15:54:38,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:38,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:38,737 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 [2020-12-01 15:54:38,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:38,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:38,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:38,794 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 [2020-12-01 15:54:38,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,797 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-12-01 15:54:38,797 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2020-12-01 15:54:38,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:38,850 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2020-12-01 15:54:38,850 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-12-01 15:54:38,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:38,992 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 [2020-12-01 15:54:38,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:38,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:38,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:38,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:39,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:39,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:39,036 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:54:39,111 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-12-01 15:54:39,111 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:39,115 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:39,138 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:54:39,138 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:54:39,139 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_2, ULTIMATE.start_cstrpbrk_~scanp~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_2 - 1*ULTIMATE.start_cstrpbrk_~scanp~0.offset Supporting invariants [] [2020-12-01 15:54:39,228 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-12-01 15:54:39,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:54:39,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:39,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 15:54:39,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:39,355 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 15:54:39,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:39,437 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-12-01 15:54:39,439 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-12-01 15:54:39,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 31 states and 38 transitions. Complement of second has 6 states. [2020-12-01 15:54:39,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 15:54:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:54:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2020-12-01 15:54:39,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 3 letters. [2020-12-01 15:54:39,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:39,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 3 letters. [2020-12-01 15:54:39,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:39,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 6 letters. [2020-12-01 15:54:39,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:39,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2020-12-01 15:54:39,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 15:54:39,512 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 27 transitions. [2020-12-01 15:54:39,512 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-12-01 15:54:39,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-12-01 15:54:39,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2020-12-01 15:54:39,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:54:39,513 INFO L692 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2020-12-01 15:54:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2020-12-01 15:54:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2020-12-01 15:54:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-01 15:54:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2020-12-01 15:54:39,517 INFO L715 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-12-01 15:54:39,517 INFO L595 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-12-01 15:54:39,518 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-12-01 15:54:39,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2020-12-01 15:54:39,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 15:54:39,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:54:39,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:54:39,522 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:54:39,522 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:54:39,522 INFO L794 eck$LassoCheckResult]: Stem: 307#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 303#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 304#L562 assume !(main_~length1~0 < 1); 313#L562-2 assume !(main_~length2~0 < 1); 305#L565-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset, cstrpbrk_~c~0, cstrpbrk_~sc~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;havoc cstrpbrk_~c~0;havoc cstrpbrk_~sc~0; 306#L553-4 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 314#L552-1 assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 315#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 310#L553-1 assume !(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 311#L553-4 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 317#L552-1 assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 316#L553-3 [2020-12-01 15:54:39,522 INFO L796 eck$LassoCheckResult]: Loop: 316#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 308#L553-1 assume !!(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 309#L554 assume !(cstrpbrk_~sc~0 == cstrpbrk_~c~0); 316#L553-3 [2020-12-01 15:54:39,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:39,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2120273357, now seen corresponding path program 2 times [2020-12-01 15:54:39,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:39,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092305978] [2020-12-01 15:54:39,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:39,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:39,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:39,611 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:39,614 INFO L82 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 2 times [2020-12-01 15:54:39,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:39,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334203113] [2020-12-01 15:54:39,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:39,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:39,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:39,633 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:39,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:39,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1020472847, now seen corresponding path program 1 times [2020-12-01 15:54:39,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:39,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422398584] [2020-12-01 15:54:39,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:39,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422398584] [2020-12-01 15:54:39,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266551307] [2020-12-01 15:54:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:54:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:39,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-01 15:54:39,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:39,906 INFO L348 Elim1Store]: treesize reduction 40, result has 20.0 percent of original size [2020-12-01 15:54:39,907 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 21 [2020-12-01 15:54:39,910 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:54:39,918 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:54:39,925 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-01 15:54:39,925 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:21 [2020-12-01 15:54:52,082 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-01 15:54:52,084 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 15:54:52,086 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:54:52,086 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-01 15:54:52,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-12-01 15:54:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:52,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:54:52,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 10 [2020-12-01 15:54:52,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680060973] [2020-12-01 15:54:52,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:54:52,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 15:54:52,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=68, Unknown=1, NotChecked=0, Total=90 [2020-12-01 15:54:52,145 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 10 states. [2020-12-01 15:54:52,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:54:52,398 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-12-01 15:54:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-01 15:54:52,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2020-12-01 15:54:52,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 15:54:52,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 28 transitions. [2020-12-01 15:54:52,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-12-01 15:54:52,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-12-01 15:54:52,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2020-12-01 15:54:52,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:54:52,408 INFO L692 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-12-01 15:54:52,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2020-12-01 15:54:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2020-12-01 15:54:52,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-01 15:54:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-12-01 15:54:52,414 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-12-01 15:54:52,414 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-12-01 15:54:52,414 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-12-01 15:54:52,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2020-12-01 15:54:52,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-12-01 15:54:52,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:54:52,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:54:52,418 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:54:52,418 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:54:52,418 INFO L794 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 412#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~length2~0 := main_#t~nondet7;havoc main_#t~nondet7; 413#L562 assume !(main_~length1~0 < 1); 421#L562-2 assume !(main_~length2~0 < 1); 414#L565-1 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset, cstrpbrk_~c~0, cstrpbrk_~sc~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;havoc cstrpbrk_~c~0;havoc cstrpbrk_~sc~0; 415#L553-4 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 422#L552-1 assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 423#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 419#L553-1 assume !!(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 420#L554 assume !(cstrpbrk_~sc~0 == cstrpbrk_~c~0); 427#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 428#L553-1 assume !(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 425#L553-4 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;call cstrpbrk_#t~mem3 := read~int(cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem3; 426#L552-1 assume !!(0 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem3;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset; 424#L553-3 [2020-12-01 15:54:52,418 INFO L796 eck$LassoCheckResult]: Loop: 424#L553-3 cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset := cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset;cstrpbrk_~scanp~0.base, cstrpbrk_~scanp~0.offset := cstrpbrk_#t~post4.base, 1 + cstrpbrk_#t~post4.offset;call cstrpbrk_#t~mem5 := read~int(cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset, 1);cstrpbrk_~sc~0 := cstrpbrk_#t~mem5; 417#L553-1 assume !!(0 != cstrpbrk_~sc~0);havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~post4.base, cstrpbrk_#t~post4.offset; 418#L554 assume !(cstrpbrk_~sc~0 == cstrpbrk_~c~0); 424#L553-3 [2020-12-01 15:54:52,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:52,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1095399647, now seen corresponding path program 2 times [2020-12-01 15:54:52,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:52,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494918526] [2020-12-01 15:54:52,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:52,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:52,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:52,498 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:52,498 INFO L82 PathProgramCache]: Analyzing trace with hash 58753, now seen corresponding path program 3 times [2020-12-01 15:54:52,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:52,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094855746] [2020-12-01 15:54:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:52,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:52,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:52,506 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:52,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:52,506 INFO L82 PathProgramCache]: Analyzing trace with hash -110602269, now seen corresponding path program 3 times [2020-12-01 15:54:52,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:54:52,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962329611] [2020-12-01 15:54:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:54:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:52,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:54:52,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:54:52,567 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:54:53,707 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 193 DAG size of output: 159 [2020-12-01 15:54:53,984 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-01 15:54:53,986 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:54:53,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:54:53,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:54:53,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:54:53,987 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:54:53,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:53,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:54:53,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:54:53,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrpbrk-alloca-1.i_Iteration5_Lasso [2020-12-01 15:54:53,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:54:53,987 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:54:53,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:53,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:53,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,623 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2020-12-01 15:54:54,754 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-12-01 15:54:54,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:54,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:54:55,943 WARN L197 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-01 15:54:56,063 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:54:56,063 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:56,087 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 [2020-12-01 15:54:56,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:56,143 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 [2020-12-01 15:54:56,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:56,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:56,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,283 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 [2020-12-01 15:54:56,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:56,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:56,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:56,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:56,360 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:56,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:56,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:56,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,386 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 [2020-12-01 15:54:56,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:56,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:56,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:54:56,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,413 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 [2020-12-01 15:54:56,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:56,480 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 [2020-12-01 15:54:56,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:54:56,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:54:56,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,517 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 [2020-12-01 15:54:56,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,525 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,547 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 [2020-12-01 15:54:56,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,590 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 [2020-12-01 15:54:56,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,626 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 [2020-12-01 15:54:56,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,697 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 [2020-12-01 15:54:56,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,733 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 [2020-12-01 15:54:56,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:54:56,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:56,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:56,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:56,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:56,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:56,798 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 [2020-12-01 15:54:56,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:56,800 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2020-12-01 15:54:56,800 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2020-12-01 15:54:56,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:56,960 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2020-12-01 15:54:56,960 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2020-12-01 15:54:57,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:57,115 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:57,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:57,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:57,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:57,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:57,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:57,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:57,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:57,144 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 [2020-12-01 15:54:57,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:54:57,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:54:57,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:54:57,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:54:57,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:54:57,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:54:57,188 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:54:57,258 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2020-12-01 15:54:57,258 INFO L444 ModelExtractionUtils]: 5 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_018184ec-af47-4499-9e63-d31547218ffc/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:54:57,262 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:54:57,285 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 15:54:57,285 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:54:57,285 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1, ULTIMATE.start_cstrpbrk_~scanp~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 - 1*ULTIMATE.start_cstrpbrk_~scanp~0.offset Supporting invariants [] [2020-12-01 15:54:57,457 INFO L297 tatePredicateManager]: 28 out of 30 supporting invariants were superfluous and have been removed [2020-12-01 15:54:57,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 15:54:57,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:57,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:54:57,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:57,582 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 15:54:57,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:57,631 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-12-01 15:54:57,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-12-01 15:54:57,682 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 28 states and 35 transitions. Complement of second has 6 states. [2020-12-01 15:54:57,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 15:54:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:54:57,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2020-12-01 15:54:57,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2020-12-01 15:54:57,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:57,684 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-12-01 15:54:57,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:57,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:54:57,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:57,856 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 15:54:57,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:57,899 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2020-12-01 15:54:57,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-12-01 15:54:57,955 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 29 states and 36 transitions. Complement of second has 6 states. [2020-12-01 15:54:57,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 15:54:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:54:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2020-12-01 15:54:57,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 3 letters. [2020-12-01 15:54:57,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:57,957 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-12-01 15:54:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:54:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:58,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:54:58,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:54:58,064 WARN L261 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 15:54:58,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:54:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:54:58,101 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-12-01 15:54:58,101 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-12-01 15:54:58,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 21 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 24 states and 29 transitions. Complement of second has 5 states. [2020-12-01 15:54:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-12-01 15:54:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 15:54:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-12-01 15:54:58,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 3 letters. [2020-12-01 15:54:58,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:58,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 17 letters. Loop has 3 letters. [2020-12-01 15:54:58,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:58,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 14 letters. Loop has 6 letters. [2020-12-01 15:54:58,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:54:58,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2020-12-01 15:54:58,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:54:58,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-12-01 15:54:58,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-12-01 15:54:58,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-12-01 15:54:58,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-12-01 15:54:58,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:54:58,149 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:54:58,149 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:54:58,149 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:54:58,149 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-12-01 15:54:58,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:54:58,149 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-12-01 15:54:58,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-12-01 15:54:58,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:54:58 BoogieIcfgContainer [2020-12-01 15:54:58,155 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:54:58,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:54:58,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:54:58,156 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:54:58,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:54:31" (3/4) ... [2020-12-01 15:54:58,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:54:58,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:54:58,161 INFO L168 Benchmark]: Toolchain (without parser) took 27973.31 ms. Allocated memory was 86.0 MB in the beginning and 174.1 MB in the end (delta: 88.1 MB). Free memory was 50.8 MB in the beginning and 92.1 MB in the end (delta: -41.3 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:54:58,162 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:54:58,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.69 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 52.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:54:58,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.94 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 50.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:54:58,164 INFO L168 Benchmark]: Boogie Preprocessor took 30.72 ms. Allocated memory is still 86.0 MB. Free memory was 50.8 MB in the beginning and 49.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:54:58,164 INFO L168 Benchmark]: RCFGBuilder took 613.66 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.2 MB in the beginning and 88.6 MB in the end (delta: -39.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:54:58,165 INFO L168 Benchmark]: BuchiAutomizer took 26692.35 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 88.6 MB in the beginning and 92.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:54:58,165 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 174.1 MB. Free memory is still 92.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:54:58,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 562.69 ms. Allocated memory is still 86.0 MB. Free memory was 50.5 MB in the beginning and 52.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.94 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 50.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.72 ms. Allocated memory is still 86.0 MB. Free memory was 50.8 MB in the beginning and 49.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 613.66 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 49.2 MB in the beginning and 88.6 MB in the end (delta: -39.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 26692.35 ms. Allocated memory was 119.5 MB in the beginning and 174.1 MB in the end (delta: 54.5 MB). Free memory was 88.6 MB in the beginning and 92.1 MB in the end (delta: -3.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.31 ms. Allocated memory is still 174.1 MB. Free memory is still 92.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * s1 + unknown-#length-unknown[s1] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * scanp and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * scanp and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 24.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 90 SDslu, 82 SDs, 0 SdLazy, 111 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital221 mio100 ax108 hnf100 lsp89 ukn77 mio100 lsp33 div100 bol100 ite100 ukn100 eq191 hnf88 smp96 dnf308 smp90 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 297ms VariablesStem: 7 VariablesLoop: 3 DisjunctsStem: 12 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 136 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...