./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9856f7645e91c0d9454d45981854535d3bc496b2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:17:07,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:17:07,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:17:07,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:17:07,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:17:07,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:17:07,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:17:07,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:17:07,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:17:07,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:17:07,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:17:07,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:17:07,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:17:07,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:17:07,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:17:07,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:17:07,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:17:07,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:17:07,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:17:07,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:17:07,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:17:07,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:17:07,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:17:07,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:17:07,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:17:07,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:17:07,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:17:07,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:17:07,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:17:07,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:17:07,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:17:07,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:17:07,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:17:07,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:17:07,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:17:07,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:17:07,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:17:07,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:17:07,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:17:07,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:17:07,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:17:07,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 02:17:07,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:17:07,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:17:08,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:17:08,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:17:08,000 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:17:08,000 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:17:08,000 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:17:08,001 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:17:08,001 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:17:08,001 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:17:08,001 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:17:08,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:17:08,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:17:08,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:17:08,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:17:08,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:17:08,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:17:08,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:17:08,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:17:08,003 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:17:08,003 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:17:08,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:17:08,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:17:08,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:17:08,004 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:17:08,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:17:08,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:17:08,005 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:17:08,006 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:17:08,006 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9856f7645e91c0d9454d45981854535d3bc496b2 [2019-11-20 02:17:08,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:17:08,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:17:08,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:17:08,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:17:08,232 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:17:08,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/strchr-2.c [2019-11-20 02:17:08,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/data/05940840a/76536d24fd1c42da82ab2fd5351026b2/FLAG7f29017c7 [2019-11-20 02:17:08,729 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:17:08,730 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/sv-benchmarks/c/termination-crafted-lit/strchr-2.c [2019-11-20 02:17:08,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/data/05940840a/76536d24fd1c42da82ab2fd5351026b2/FLAG7f29017c7 [2019-11-20 02:17:09,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/data/05940840a/76536d24fd1c42da82ab2fd5351026b2 [2019-11-20 02:17:09,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:17:09,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:17:09,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:17:09,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:17:09,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:17:09,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c76bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09, skipping insertion in model container [2019-11-20 02:17:09,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,139 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:17:09,162 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:17:09,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:17:09,470 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:17:09,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:17:09,515 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:17:09,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09 WrapperNode [2019-11-20 02:17:09,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:17:09,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:17:09,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:17:09,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:17:09,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:17:09,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:17:09,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:17:09,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:17:09,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... [2019-11-20 02:17:09,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:17:09,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:17:09,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:17:09,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:17:09,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 02:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:17:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:17:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:17:10,089 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:17:10,089 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 02:17:10,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:17:10 BoogieIcfgContainer [2019-11-20 02:17:10,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:17:10,091 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:17:10,091 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:17:10,094 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:17:10,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:17:10,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:17:09" (1/3) ... [2019-11-20 02:17:10,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33fece4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:17:10, skipping insertion in model container [2019-11-20 02:17:10,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:17:10,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:09" (2/3) ... [2019-11-20 02:17:10,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33fece4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:17:10, skipping insertion in model container [2019-11-20 02:17:10,097 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:17:10,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:17:10" (3/3) ... [2019-11-20 02:17:10,098 INFO L371 chiAutomizerObserver]: Analyzing ICFG strchr-2.c [2019-11-20 02:17:10,143 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:17:10,144 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:17:10,144 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:17:10,144 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:17:10,144 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:17:10,145 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:17:10,145 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:17:10,145 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:17:10,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 02:17:10,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:17:10,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:17:10,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:17:10,182 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:17:10,182 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 02:17:10,183 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:17:10,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-20 02:17:10,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:17:10,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:17:10,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:17:10,186 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:17:10,186 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 02:17:10,194 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9, main_#t~ret10.base, main_#t~ret10.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 16#L14true assume !(build_nondet_String_~length~0 < 1); 13#L14-2true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 6#L19true main_#t~ret8.base, main_#t~ret8.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_#t~ret8.base, main_#t~ret8.offset, main_#t~nondet9;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset, cstrchr_#t~mem2, cstrchr_#t~mem3, cstrchr_#t~short4, cstrchr_#t~mem6, cstrchr_#t~ite7.base, cstrchr_#t~ite7.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 3#L31-5true [2019-11-20 02:17:10,195 INFO L796 eck$LassoCheckResult]: Loop: 3#L31-5true call cstrchr_#t~mem2 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := 0 != cstrchr_#t~mem2; 7#L31-1true assume cstrchr_#t~short4;call cstrchr_#t~mem3 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short4 := cstrchr_#t~mem3 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 5#L31-3true assume !!cstrchr_#t~short4;havoc cstrchr_#t~mem2;havoc cstrchr_#t~mem3;havoc cstrchr_#t~short4;cstrchr_#t~post5.base, cstrchr_#t~post5.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post5.base, 1 + cstrchr_#t~post5.offset;havoc cstrchr_#t~post5.base, cstrchr_#t~post5.offset; 3#L31-5true [2019-11-20 02:17:10,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:10,202 INFO L82 PathProgramCache]: Analyzing trace with hash 28695750, now seen corresponding path program 1 times [2019-11-20 02:17:10,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:10,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104759250] [2019-11-20 02:17:10,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:10,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:10,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:10,358 INFO L82 PathProgramCache]: Analyzing trace with hash 45783, now seen corresponding path program 1 times [2019-11-20 02:17:10,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:10,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286078341] [2019-11-20 02:17:10,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:10,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:10,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:10,388 INFO L82 PathProgramCache]: Analyzing trace with hash 176612338, now seen corresponding path program 1 times [2019-11-20 02:17:10,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:17:10,388 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075211057] [2019-11-20 02:17:10,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:17:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:17:10,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:17:10,618 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-11-20 02:17:10,838 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-11-20 02:17:11,079 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-11-20 02:17:11,191 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-11-20 02:17:11,204 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:17:11,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:17:11,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:17:11,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:17:11,205 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:17:11,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:11,206 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:17:11,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:17:11,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: strchr-2.c_Iteration1_Lasso [2019-11-20 02:17:11,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:17:11,206 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:17:11,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,476 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-11-20 02:17:11,611 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-20 02:17:11,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:11,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:17:12,230 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-20 02:17:12,444 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2019-11-20 02:17:12,550 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:17:12,555 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:12,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:12,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/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 [2019-11-20 02:17:12,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/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 [2019-11-20 02:17:12,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:12,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:12,680 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/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) [2019-11-20 02:17:12,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:12,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,721 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 [2019-11-20 02:17:12,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/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) [2019-11-20 02:17:12,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:12,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:12,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:17:12,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:17:12,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:17:12,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:12,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:12,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:12,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:12,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/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) [2019-11-20 02:17:12,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:12,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:12,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:12,884 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2019-11-20 02:17:12,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:12,984 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2019-11-20 02:17:12,984 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2019-11-20 02:17:13,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:13,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:13,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:13,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:13,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:13,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:13,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:13,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:13,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:13,165 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 [2019-11-20 02:17:13,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:13,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:13,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:13,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:13,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:13,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:17:13,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:13,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:13,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:13,202 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 02:17:13,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:13,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:13,211 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 02:17:13,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:13,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:13,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:17:13,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:17:13,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:17:13,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:17:13,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:17:13,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:17:13,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:13,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:17:13,413 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 02:17:13,413 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a935e106-12fd-42c3-8884-7e39bcc6053c/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:17:13,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:17:13,426 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 02:17:13,427 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:17:13,427 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s.offset, v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_1) = -1*ULTIMATE.start_cstrchr_~s.offset + 1*v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_1 Supporting invariants [] [2019-11-20 02:17:13,450 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 02:17:13,463 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:17:13,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:17:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:13,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 02:17:13,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:17:13,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:17:13,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:17:13,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:17:13,630 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 02:17:13,631 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2019-11-20 02:17:13,838 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 32 states and 40 transitions. Complement of second has 6 states. [2019-11-20 02:17:13,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:17:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:17:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2019-11-20 02:17:13,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-20 02:17:13,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:13,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 8 letters. Loop has 3 letters. [2019-11-20 02:17:13,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:13,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 5 letters. Loop has 6 letters. [2019-11-20 02:17:13,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:17:13,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2019-11-20 02:17:13,854 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:17:13,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-11-20 02:17:13,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:17:13,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:17:13,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:17:13,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:17:13,860 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:17:13,860 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:17:13,860 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:17:13,860 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:17:13,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:17:13,861 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:17:13,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:17:13,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:17:13 BoogieIcfgContainer [2019-11-20 02:17:13,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:17:13,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:17:13,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:17:13,870 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:17:13,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:17:10" (3/4) ... [2019-11-20 02:17:13,875 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:17:13,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:17:13,877 INFO L168 Benchmark]: Toolchain (without parser) took 4755.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.7 MB in the beginning and 941.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,878 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:17:13,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,889 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,890 INFO L168 Benchmark]: RCFGBuilder took 509.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,890 INFO L168 Benchmark]: BuchiAutomizer took 3776.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.8 MB in the end (delta: 161.7 MB). Peak memory consumption was 161.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,891 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory was 946.8 MB in the beginning and 941.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:17:13,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 509.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3776.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.8 MB in the end (delta: 161.7 MB). Peak memory consumption was 161.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.65 ms. Allocated memory is still 1.2 GB. Free memory was 946.8 MB in the beginning and 941.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[malloc(length * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 25 SDslu, 10 SDs, 0 SdLazy, 11 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital196 mio100 ax100 hnf99 lsp98 ukn73 mio100 lsp35 div137 bol100 ite100 ukn100 eq155 hnf79 smp100 dnf729 smp27 tf100 neg95 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 259ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...