./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dbc6bab9a799b7f4b90bf959cd96947d3b192e5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:58:22,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:58:22,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:58:22,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:58:22,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:58:22,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:58:22,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:58:22,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:58:22,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:58:22,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:58:22,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:58:22,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:58:22,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:58:22,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:58:22,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:58:22,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:58:22,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:58:22,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:58:22,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:58:22,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:58:22,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:58:22,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:58:22,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:58:22,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:58:22,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:58:22,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:58:22,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:58:22,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:58:22,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:58:22,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:58:22,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:58:22,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:58:22,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:58:22,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:58:22,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:58:22,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:58:22,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:58:22,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:58:22,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:58:22,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:58:22,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:58:22,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:58:22,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:58:22,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:58:22,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:58:22,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:58:22,946 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:58:22,946 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:58:22,946 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:58:22,946 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:58:22,947 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:58:22,947 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:58:22,948 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:58:22,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:58:22,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:58:22,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:58:22,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:58:22,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:58:22,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:58:22,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:58:22,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:58:22,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:58:22,951 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:58:22,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:58:22,952 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:58:22,952 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:58:22,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:58:22,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:58:22,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:58:22,953 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:58:22,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:58:22,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:58:22,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:58:22,956 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:58:22,958 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:58:22,958 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_c8206977-4a58-4863-8e70-fa03db1561bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dbc6bab9a799b7f4b90bf959cd96947d3b192e5 [2020-11-30 00:58:23,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:58:23,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:58:23,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:58:23,376 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:58:23,379 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:58:23,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i [2020-11-30 00:58:23,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/data/51cff0648/500a07fefd9946e3be8dc89001125277/FLAG11afd7706 [2020-11-30 00:58:23,998 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:58:23,999 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-2-2.i [2020-11-30 00:58:24,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/data/51cff0648/500a07fefd9946e3be8dc89001125277/FLAG11afd7706 [2020-11-30 00:58:24,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/data/51cff0648/500a07fefd9946e3be8dc89001125277 [2020-11-30 00:58:24,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:58:24,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:58:24,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:58:24,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:58:24,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:58:24,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c774a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24, skipping insertion in model container [2020-11-30 00:58:24,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:58:24,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:58:24,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:58:24,637 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:58:24,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:58:24,716 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:58:24,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24 WrapperNode [2020-11-30 00:58:24,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:58:24,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:58:24,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:58:24,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:58:24,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:58:24,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:58:24,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:58:24,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:58:24,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... [2020-11-30 00:58:24,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:58:24,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:58:24,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:58:24,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:58:24,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:58:24,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:58:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:58:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-30 00:58:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:58:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:58:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:58:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-11-30 00:58:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:58:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:58:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:58:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:58:25,188 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:58:25,265 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:58:25,266 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-30 00:58:25,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:58:25 BoogieIcfgContainer [2020-11-30 00:58:25,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:58:25,274 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:58:25,274 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:58:25,293 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:58:25,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:58:25,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:58:24" (1/3) ... [2020-11-30 00:58:25,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c411679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:58:25, skipping insertion in model container [2020-11-30 00:58:25,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:58:25,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:24" (2/3) ... [2020-11-30 00:58:25,297 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c411679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:58:25, skipping insertion in model container [2020-11-30 00:58:25,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:58:25,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:58:25" (3/3) ... [2020-11-30 00:58:25,298 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-2-2.i [2020-11-30 00:58:25,378 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:58:25,379 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:58:25,379 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:58:25,379 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:58:25,379 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:58:25,380 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:58:25,380 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:58:25,380 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:58:25,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-11-30 00:58:25,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-30 00:58:25,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:58:25,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:58:25,429 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 00:58:25,430 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:58:25,430 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:58:25,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2020-11-30 00:58:25,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-11-30 00:58:25,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:58:25,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:58:25,434 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-11-30 00:58:25,434 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:58:25,443 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 12#L31true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4);< 18##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 3#$Ultimate##0true #t~loopctr8 := 0; 9#L-1-1true [2020-11-30 00:58:25,444 INFO L796 eck$LassoCheckResult]: Loop: 9#L-1-1true assume #t~loopctr8 < size;call #t~mem9 := read~unchecked~int(src.base, src.offset + #t~loopctr8, 1);call write~unchecked~int(#t~mem9, dest.base, dest.offset + #t~loopctr8, 1);#t~loopctr8 := 1 + #t~loopctr8; 9#L-1-1true [2020-11-30 00:58:25,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:25,452 INFO L82 PathProgramCache]: Analyzing trace with hash 28745848, now seen corresponding path program 1 times [2020-11-30 00:58:25,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:58:25,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455636026] [2020-11-30 00:58:25,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:58:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:25,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:25,671 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:25,709 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:58:25,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:25,716 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times [2020-11-30 00:58:25,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:58:25,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965393048] [2020-11-30 00:58:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:58:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:25,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:25,750 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:25,753 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:58:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:25,757 INFO L82 PathProgramCache]: Analyzing trace with hash 891121336, now seen corresponding path program 1 times [2020-11-30 00:58:25,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:58:25,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331066610] [2020-11-30 00:58:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:58:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:25,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:25,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:25,904 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:58:26,656 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2020-11-30 00:58:26,993 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-11-30 00:58:27,580 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-11-30 00:58:27,770 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-11-30 00:58:27,785 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:58:27,785 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:58:27,786 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:58:27,786 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:58:27,786 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:58:27,786 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:27,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:58:27,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:58:27,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration1_Lasso [2020-11-30 00:58:27,787 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:58:27,787 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:58:27,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:27,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,324 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-11-30 00:58:28,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:28,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:29,019 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:58:29,024 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:58:29,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:58:29,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:58:29,141 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:58:29,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:58:29,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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) [2020-11-30 00:58:29,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,317 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 [2020-11-30 00:58:29,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:29,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:29,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:58:29,377 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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 [2020-11-30 00:58:29,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:58:29,582 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 [2020-11-30 00:58:29,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:58:29,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,639 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-30 00:58:29,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,649 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-30 00:58:29,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:58:29,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:58:29,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:29,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:29,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:29,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:29,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:29,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:29,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:58:29,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:58:29,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:58:30,088 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-30 00:58:30,089 INFO L444 ModelExtractionUtils]: 11 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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) [2020-11-30 00:58:30,112 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:30,151 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-30 00:58:30,152 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:58:30,153 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr8, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr8 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-11-30 00:58:30,259 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2020-11-30 00:58:30,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-30 00:58:30,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:58:30,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:58:30,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:58:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:58:30,343 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:58:30,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:58:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:58:30,359 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-30 00:58:30,360 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 2 states. [2020-11-30 00:58:30,411 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 2 states. Result 28 states and 38 transitions. Complement of second has 6 states. [2020-11-30 00:58:30,412 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 [2020-11-30 00:58:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-30 00:58:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-11-30 00:58:30,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-11-30 00:58:30,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:58:30,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-30 00:58:30,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:58:30,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-30 00:58:30,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:58:30,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 38 transitions. [2020-11-30 00:58:30,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:58:30,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 11 transitions. [2020-11-30 00:58:30,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-30 00:58:30,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-30 00:58:30,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-11-30 00:58:30,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:58:30,426 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-11-30 00:58:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-11-30 00:58:30,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-30 00:58:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-30 00:58:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-11-30 00:58:30,453 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-30 00:58:30,453 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-30 00:58:30,453 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:58:30,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-11-30 00:58:30,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:58:30,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:58:30,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:58:30,456 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:58:30,456 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:58:30,457 INFO L794 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(5);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1); 157#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;call write~int(1, ~#d~0.base, ~#d~0.offset, 1);call write~int(2, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~int(3, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~int(4, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~int(5, ~#d~0.base, 4 + ~#d~0.offset, 1); 158#L31 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 4);< 159##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 161#$Ultimate##0 #t~loopctr8 := 0; 162#L-1-1 assume !(#t~loopctr8 < size);#t~loopctr10 := 0; 163#L-1-3 [2020-11-30 00:58:30,458 INFO L796 eck$LassoCheckResult]: Loop: 163#L-1-3 assume #t~loopctr10 < size;#t~loopctr10 := 4 + #t~loopctr10; 163#L-1-3 [2020-11-30 00:58:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:30,458 INFO L82 PathProgramCache]: Analyzing trace with hash 891121338, now seen corresponding path program 1 times [2020-11-30 00:58:30,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:58:30,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007938853] [2020-11-30 00:58:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:58:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:58:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:58:30,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007938853] [2020-11-30 00:58:30,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:58:30,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:58:30,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093306420] [2020-11-30 00:58:30,557 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:58:30,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:30,557 INFO L82 PathProgramCache]: Analyzing trace with hash 85, now seen corresponding path program 1 times [2020-11-30 00:58:30,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:58:30,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391036416] [2020-11-30 00:58:30,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:58:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:30,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:30,581 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:30,582 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:58:30,598 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:58:30,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:58:30,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:58:30,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:58:30,599 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:58:30,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:30,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:58:30,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:58:30,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration2_Loop [2020-11-30 00:58:30,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:58:30,599 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:58:30,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:30,629 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:58:30,630 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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) [2020-11-30 00:58:30,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:58:30,680 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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) [2020-11-30 00:58:30,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:58:30,726 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:30,840 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:58:30,842 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:58:30,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:58:30,842 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:58:30,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:58:30,842 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:58:30,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:30,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:58:30,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:58:30,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-2-2.i_Iteration2_Loop [2020-11-30 00:58:30,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:58:30,843 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:58:30,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:58:30,881 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:58:30,881 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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) [2020-11-30 00:58:30,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:58:30,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:58:30,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:58:30,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:58:30,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:58:30,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:58:30,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:58:30,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:30,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:58:30,899 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-30 00:58:30,899 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8206977-4a58-4863-8e70-fa03db1561bd/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) [2020-11-30 00:58:30,902 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:58:30,902 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-30 00:58:30,902 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:58:30,902 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_size, #Ultimate.C_memcpy_#t~loopctr10) = 1*#Ultimate.C_memcpy_size - 1*#Ultimate.C_memcpy_#t~loopctr10 Supporting invariants [] Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:58:30,938 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-30 00:58:30,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-11-30 00:58:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:58:31,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:58:31,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:58:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:58:31,019 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:58:31,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:58:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:58:31,020 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-11-30 00:58:31,020 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-11-30 00:58:31,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2020-11-30 00:58:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-11-30 00:58:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-11-30 00:58:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-11-30 00:58:31,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-11-30 00:58:31,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:58:31,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-11-30 00:58:31,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:58:31,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-30 00:58:31,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:58:31,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-11-30 00:58:31,031 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:58:31,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-11-30 00:58:31,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:58:31,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:58:31,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:58:31,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:58:31,031 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:58:31,031 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:58:31,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:58:31,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:58:31,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:58:31,038 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-11-30 00:58:31,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:58:31,040 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-30 00:58:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:58:31,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-30 00:58:31,041 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:58:31,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:58:31,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:58:31,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:58:31,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:58:31,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:58:31,042 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:58:31,042 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:58:31,042 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:58:31,042 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:58:31,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:58:31,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:58:31,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:58:31,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:58:31 BoogieIcfgContainer [2020-11-30 00:58:31,049 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:58:31,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:58:31,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:58:31,052 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:58:31,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:58:25" (3/4) ... [2020-11-30 00:58:31,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:58:31,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:58:31,058 INFO L168 Benchmark]: Toolchain (without parser) took 6681.84 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 66.3 MB in the beginning and 58.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:31,063 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 102.8 MB. Free memory was 82.7 MB in the beginning and 82.6 MB in the end (delta: 59.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:58:31,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.80 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 79.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:31,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.66 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 77.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:31,065 INFO L168 Benchmark]: Boogie Preprocessor took 30.83 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:58:31,066 INFO L168 Benchmark]: RCFGBuilder took 469.13 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 60.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:31,067 INFO L168 Benchmark]: BuchiAutomizer took 5775.11 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:31,070 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 138.4 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:58:31,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 102.8 MB. Free memory was 82.7 MB in the beginning and 82.6 MB in the end (delta: 59.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 341.80 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 79.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.66 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 77.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.83 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 469.13 ms. Allocated memory is still 102.8 MB. Free memory was 76.3 MB in the beginning and 60.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5775.11 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.46 ms. Allocated memory is still 138.4 MB. Free memory is still 58.2 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 size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr8-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function unknown-size-unknown + -1 * aux-#t~loopctr10-aux and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital71 mio100 ax100 hnf100 lsp98 ukn87 mio100 lsp79 div100 bol100 ite100 ukn100 eq168 hnf89 smp97 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...