./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX --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 f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:33:05,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:33:05,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:33:05,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:33:05,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:33:05,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:33:05,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:33:05,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:33:05,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:33:05,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:33:05,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:33:05,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:33:05,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:33:05,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:33:05,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:33:05,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:33:05,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:33:05,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:33:05,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:33:05,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:33:05,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:33:05,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:33:05,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:33:05,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:33:05,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:33:05,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:33:05,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:33:05,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:33:05,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:33:05,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:33:05,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:33:05,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:33:05,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:33:05,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:33:05,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:33:05,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:33:05,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:33:05,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:33:05,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:33:05,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:33:05,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:33:05,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-09 08:33:05,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:33:05,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:33:05,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:33:05,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:33:05,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:33:05,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:33:05,915 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:33:05,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:33:05,915 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:33:05,916 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:33:05,917 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:33:05,918 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:33:05,918 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:33:05,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:33:05,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:33:05,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:33:05,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:33:05,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:33:05,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:33:05,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:33:05,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:33:05,921 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:33:05,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:33:05,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:33:05,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:33:05,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:33:05,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:33:05,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:33:05,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:33:05,927 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:33:05,927 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_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d [2021-11-09 08:33:06,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:33:06,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:33:06,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:33:06,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:33:06,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:33:06,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2021-11-09 08:33:06,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/data/782262935/71068128a1be4355aeeffe393d129e74/FLAG07f58b146 [2021-11-09 08:33:07,195 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:33:07,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2021-11-09 08:33:07,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/data/782262935/71068128a1be4355aeeffe393d129e74/FLAG07f58b146 [2021-11-09 08:33:07,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/data/782262935/71068128a1be4355aeeffe393d129e74 [2021-11-09 08:33:07,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:33:07,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:33:07,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:33:07,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:33:07,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:33:07,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:33:07" (1/1) ... [2021-11-09 08:33:07,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370bfa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:07, skipping insertion in model container [2021-11-09 08:33:07,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:33:07" (1/1) ... [2021-11-09 08:33:07,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:33:07,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:33:08,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:33:08,069 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:33:08,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:33:08,201 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:33:08,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08 WrapperNode [2021-11-09 08:33:08,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:33:08,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:33:08,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:33:08,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:33:08,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:33:08,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:33:08,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:33:08,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:33:08,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:33:08,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:33:08,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:33:08,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:33:08,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (1/1) ... [2021-11-09 08:33:08,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:08,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:08,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:08,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:33:08,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:33:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:33:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:33:08,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:33:08,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:33:08,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:33:08,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:33:08,829 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 08:33:08,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:08 BoogieIcfgContainer [2021-11-09 08:33:08,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:33:08,833 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:33:08,833 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:33:08,837 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:33:08,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:33:08,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:33:07" (1/3) ... [2021-11-09 08:33:08,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30faaff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:33:08, skipping insertion in model container [2021-11-09 08:33:08,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:33:08,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:33:08" (2/3) ... [2021-11-09 08:33:08,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30faaff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:33:08, skipping insertion in model container [2021-11-09 08:33:08,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:33:08,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:08" (3/3) ... [2021-11-09 08:33:08,843 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.12-alloca.i [2021-11-09 08:33:08,895 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:33:08,895 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:33:08,896 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:33:08,896 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:33:08,896 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:33:08,896 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:33:08,897 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:33:08,897 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:33:08,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:08,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:08,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:08,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:08,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 08:33:08,966 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 08:33:08,966 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:33:08,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:08,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:08,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:08,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:08,983 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 08:33:08,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 08:33:08,991 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L559-2true [2021-11-09 08:33:08,991 INFO L793 eck$LassoCheckResult]: Loop: 9#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 12#L555-1true assume test_fun_#t~short7; 6#L555-3true assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 8#L556true assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 9#L559-2true [2021-11-09 08:33:08,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:08,999 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-09 08:33:09,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:09,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714498271] [2021-11-09 08:33:09,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:09,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:09,167 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:09,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2021-11-09 08:33:09,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:09,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595685130] [2021-11-09 08:33:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:09,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:09,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:09,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:09,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:09,415 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-11-09 08:33:09,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:09,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462320496] [2021-11-09 08:33:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:09,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:09,493 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:09,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:10,562 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:33:10,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:33:10,563 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:33:10,563 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:33:10,563 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:33:10,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:10,564 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:33:10,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:33:10,564 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration1_Lasso [2021-11-09 08:33:10,564 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:33:10,565 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:33:10,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:10,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:11,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:33:11,704 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:33:11,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:11,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:11,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:11,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:33:11,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:11,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:11,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:11,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:11,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:11,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:11,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:11,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:11,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-09 08:33:11,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:11,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:11,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:33:11,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:11,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:11,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:11,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:11,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:11,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:11,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:11,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:11,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:11,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:11,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:11,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:11,843 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:11,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:33:11,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:11,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:11,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:11,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:11,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:11,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:11,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:11,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:11,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:11,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:11,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:11,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:11,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:33:11,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:11,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:11,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:11,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:11,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:11,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:11,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:11,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:33:12,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,097 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:33:12,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:12,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:12,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,156 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:33:12,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:12,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:12,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-09 08:33:12,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:33:12,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,322 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:33:12,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:33:12,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,437 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:33:12,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,501 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:33:12,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:12,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:12,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,559 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:33:12,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,637 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 08:33:12,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,717 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:12,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:12,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:33:12,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,806 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:12,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:12,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:33:12,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,891 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:12,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:12,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:12,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 08:33:12,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:12,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:12,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:12,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:12,957 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:12,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 08:33:12,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:12,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:12,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:12,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:12,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:12,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:12,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:13,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,030 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 08:33:13,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:13,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,135 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 08:33:13,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:13,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,231 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 08:33:13,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:13,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,281 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 08:33:13,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-09 08:33:13,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,373 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 08:33:13,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-09 08:33:13,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,430 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 08:33:13,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:13,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-09 08:33:13,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,501 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:13,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:13,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:13,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:13,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:13,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:13,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:13,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 08:33:13,551 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:33:13,597 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-09 08:33:13,597 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-09 08:33:13,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:13,612 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:13,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 08:33:13,660 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:33:13,684 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:33:13,684 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:33:13,684 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-11-09 08:33:13,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:13,820 INFO L297 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2021-11-09 08:33:13,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:13,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:13,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:13,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 08:33:13,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:14,100 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-09 08:33:14,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:14,283 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 67 transitions. Complement of second has 9 states. [2021-11-09 08:33:14,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2021-11-09 08:33:14,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-09 08:33:14,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:14,297 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-09 08:33:14,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:14,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 8 letters. [2021-11-09 08:33:14,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:14,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2021-11-09 08:33:14,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-09 08:33:14,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:14,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 39 transitions. [2021-11-09 08:33:14,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-09 08:33:14,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-09 08:33:14,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 39 transitions. [2021-11-09 08:33:14,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:14,320 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-11-09 08:33:14,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 39 transitions. [2021-11-09 08:33:14,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-11-09 08:33:14,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 37 transitions. [2021-11-09 08:33:14,350 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-11-09 08:33:14,350 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-11-09 08:33:14,350 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:33:14,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 37 transitions. [2021-11-09 08:33:14,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-09 08:33:14,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:14,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:14,353 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 08:33:14,353 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-09 08:33:14,353 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 203#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 201#L555-1 [2021-11-09 08:33:14,353 INFO L793 eck$LassoCheckResult]: Loop: 201#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 204#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 206#L556 assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 194#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 201#L555-1 [2021-11-09 08:33:14,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:14,354 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-09 08:33:14,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:14,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711424580] [2021-11-09 08:33:14,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:14,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:14,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:14,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:14,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2021-11-09 08:33:14,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:14,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68227067] [2021-11-09 08:33:14,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:14,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:14,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:14,429 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:14,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2021-11-09 08:33:14,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:14,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377640884] [2021-11-09 08:33:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:14,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:14,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:14,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377640884] [2021-11-09 08:33:14,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377640884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:14,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:14,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:33:14,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094908920] [2021-11-09 08:33:14,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:14,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 08:33:14,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:33:14,836 INFO L87 Difference]: Start difference. First operand 24 states and 37 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:14,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:14,903 INFO L93 Difference]: Finished difference Result 38 states and 55 transitions. [2021-11-09 08:33:14,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:33:14,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2021-11-09 08:33:14,909 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-11-09 08:33:14,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 28 states and 39 transitions. [2021-11-09 08:33:14,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-09 08:33:14,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-09 08:33:14,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2021-11-09 08:33:14,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:14,919 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-11-09 08:33:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2021-11-09 08:33:14,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 14. [2021-11-09 08:33:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-09 08:33:14,926 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-09 08:33:14,926 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-09 08:33:14,926 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:33:14,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-11-09 08:33:14,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:14,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:14,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:14,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 08:33:14,932 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 08:33:14,932 INFO L791 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 262#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 274#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 272#L555-1 [2021-11-09 08:33:14,932 INFO L793 eck$LassoCheckResult]: Loop: 272#L555-1 assume test_fun_#t~short7; 263#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 264#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 267#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 268#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 272#L555-1 [2021-11-09 08:33:14,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:14,933 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-11-09 08:33:14,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:14,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338038181] [2021-11-09 08:33:14,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:14,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:14,980 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash 38423515, now seen corresponding path program 1 times [2021-11-09 08:33:15,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:15,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631911389] [2021-11-09 08:33:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:15,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,043 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:15,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:15,067 INFO L85 PathProgramCache]: Analyzing trace with hash 177751320, now seen corresponding path program 1 times [2021-11-09 08:33:15,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:15,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410170004] [2021-11-09 08:33:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:15,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:15,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:15,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410170004] [2021-11-09 08:33:15,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410170004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:15,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:15,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:33:15,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130102738] [2021-11-09 08:33:15,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:15,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 08:33:15,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:33:15,315 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:15,353 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-11-09 08:33:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:33:15,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-11-09 08:33:15,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:15,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2021-11-09 08:33:15,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 08:33:15,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 08:33:15,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-11-09 08:33:15,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:15,357 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-09 08:33:15,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-11-09 08:33:15,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-09 08:33:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-09 08:33:15,360 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-09 08:33:15,360 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-09 08:33:15,360 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 08:33:15,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-09 08:33:15,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:15,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:15,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:15,362 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-09 08:33:15,362 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 08:33:15,362 INFO L791 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 302#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 312#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 310#L555-1 [2021-11-09 08:33:15,362 INFO L793 eck$LassoCheckResult]: Loop: 310#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 303#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 304#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 307#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 308#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 310#L555-1 [2021-11-09 08:33:15,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-11-09 08:33:15,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:15,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396380721] [2021-11-09 08:33:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:15,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,395 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:15,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:15,423 INFO L85 PathProgramCache]: Analyzing trace with hash 40270557, now seen corresponding path program 1 times [2021-11-09 08:33:15,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:15,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505213952] [2021-11-09 08:33:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:15,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,443 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,472 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:15,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:15,476 INFO L85 PathProgramCache]: Analyzing trace with hash 179598362, now seen corresponding path program 1 times [2021-11-09 08:33:15,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:15,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017380854] [2021-11-09 08:33:15,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:15,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:15,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:16,735 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:33:16,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:33:16,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:33:16,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:33:16,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:33:16,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:16,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:33:16,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:33:16,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration4_Lasso [2021-11-09 08:33:16,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:33:16,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:33:16,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:16,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:16,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:17,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:33:18,374 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:33:18,374 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:33:18,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,379 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 08:33:18,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:18,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:18,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:18,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:18,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,442 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-09 08:33:18,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:33:18,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:33:18,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:33:18,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-09 08:33:18,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,481 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-09 08:33:18,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:18,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-09 08:33:18,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,579 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-09 08:33:18,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:18,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:18,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,676 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,701 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-09 08:33:18,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,709 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-09 08:33:18,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-09 08:33:18,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-09 08:33:18,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,761 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-09 08:33:18,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:18,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-09 08:33:18,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,800 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-09 08:33:18,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:18,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:18,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,892 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-09 08:33:18,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:18,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:18,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:18,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:18,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:18,966 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:18,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:18,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:18,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:18,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:18,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:18,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:18,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:18,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-09 08:33:19,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:33:19,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-09 08:33:19,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:19,033 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:19,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-09 08:33:19,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:33:19,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:33:19,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:33:19,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:33:19,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:33:19,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:33:19,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:33:19,058 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:33:19,067 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-11-09 08:33:19,067 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-09 08:33:19,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:33:19,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:33:19,068 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:33:19,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-09 08:33:19,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:33:19,084 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:33:19,084 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:33:19,084 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2021-11-09 08:33:19,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-09 08:33:19,166 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-11-09 08:33:19,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:19,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:33:19,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:19,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 08:33:19,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:33:19,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-09 08:33:19,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-11-09 08:33:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:19,411 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-11-09 08:33:19,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:19,469 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 8 states. [2021-11-09 08:33:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-11-09 08:33:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-11-09 08:33:19,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 5 letters. [2021-11-09 08:33:19,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:19,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2021-11-09 08:33:19,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:19,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 10 letters. [2021-11-09 08:33:19,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:33:19,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-11-09 08:33:19,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:19,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2021-11-09 08:33:19,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-09 08:33:19,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-09 08:33:19,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-11-09 08:33:19,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-09 08:33:19,475 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-11-09 08:33:19,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-11-09 08:33:19,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-11-09 08:33:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-09 08:33:19,478 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-09 08:33:19,478 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-09 08:33:19,478 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 08:33:19,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-11-09 08:33:19,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-09 08:33:19,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:33:19,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:33:19,480 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-09 08:33:19,480 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-09 08:33:19,480 INFO L791 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 477#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 491#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 497#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 478#L555-3 [2021-11-09 08:33:19,480 INFO L793 eck$LassoCheckResult]: Loop: 478#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 479#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 482#L559 assume !(test_fun_#t~mem10 > 0);havoc test_fun_#t~mem10; 483#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 489#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 478#L555-3 [2021-11-09 08:33:19,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:19,481 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-09 08:33:19,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:19,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330143684] [2021-11-09 08:33:19,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:19,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:19,493 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:19,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:19,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:19,506 INFO L85 PathProgramCache]: Analyzing trace with hash 45964859, now seen corresponding path program 1 times [2021-11-09 08:33:19,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:19,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80801747] [2021-11-09 08:33:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:19,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:19,512 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:33:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:33:19,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:33:19,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:33:19,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1272583860, now seen corresponding path program 1 times [2021-11-09 08:33:19,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:33:19,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949347096] [2021-11-09 08:33:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:33:19,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:33:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:33:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:33:19,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:33:19,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949347096] [2021-11-09 08:33:19,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949347096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:33:19,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:33:19,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:33:19,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573942030] [2021-11-09 08:33:19,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:33:19,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 08:33:19,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 08:33:19,707 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:33:19,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:33:19,735 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-11-09 08:33:19,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:33:19,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-11-09 08:33:19,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:33:19,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-11-09 08:33:19,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 08:33:19,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 08:33:19,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 08:33:19,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:33:19,737 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:33:19,737 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:33:19,737 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:33:19,737 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 08:33:19,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:33:19,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:33:19,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 08:33:19,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 08:33:19 BoogieIcfgContainer [2021-11-09 08:33:19,744 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 08:33:19,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:33:19,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:33:19,745 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:33:19,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:33:08" (3/4) ... [2021-11-09 08:33:19,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:33:19,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:33:19,751 INFO L168 Benchmark]: Toolchain (without parser) took 12254.94 ms. Allocated memory was 94.4 MB in the beginning and 155.2 MB in the end (delta: 60.8 MB). Free memory was 58.9 MB in the beginning and 99.1 MB in the end (delta: -40.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:19,751 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 64.4 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:19,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.95 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 65.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:19,752 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.02 ms. Allocated memory is still 94.4 MB. Free memory was 65.5 MB in the beginning and 63.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:19,752 INFO L168 Benchmark]: Boogie Preprocessor took 61.72 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 62.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:19,753 INFO L168 Benchmark]: RCFGBuilder took 490.44 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 51.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:19,753 INFO L168 Benchmark]: BuchiAutomizer took 10911.36 ms. Allocated memory was 94.4 MB in the beginning and 155.2 MB in the end (delta: 60.8 MB). Free memory was 51.8 MB in the beginning and 99.1 MB in the end (delta: -47.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-11-09 08:33:19,754 INFO L168 Benchmark]: Witness Printer took 4.43 ms. Allocated memory is still 155.2 MB. Free memory is still 99.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:33:19,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory was 64.5 MB in the beginning and 64.4 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.95 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 65.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.02 ms. Allocated memory is still 94.4 MB. Free memory was 65.5 MB in the beginning and 63.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.72 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 62.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 490.44 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 51.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10911.36 ms. Allocated memory was 94.4 MB in the beginning and 155.2 MB in the end (delta: 60.8 MB). Free memory was 51.8 MB in the beginning and 99.1 MB in the end (delta: -47.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.43 ms. Allocated memory is still 155.2 MB. Free memory is still 99.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.8s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 9.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 52 SDslu, 34 SDs, 0 SdLazy, 110 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital257 mio100 ax107 hnf100 lsp91 ukn81 mio100 lsp29 div100 bol100 ite100 ukn100 eq176 hnf89 smp91 dnf132 smp80 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 6 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2021-11-09 08:33:19,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9a862f-c35c-4de6-b5fd-cde32985f60c/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE