./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R --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 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:21:03,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:21:03,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:21:03,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:21:03,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:21:03,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:21:03,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:21:03,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:21:03,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:21:03,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:21:03,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:21:03,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:21:03,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:21:03,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:21:03,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:21:03,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:21:03,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:21:03,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:21:03,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:21:03,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:21:03,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:21:03,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:21:03,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:21:03,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:21:04,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:21:04,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:21:04,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:21:04,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:21:04,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:21:04,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:21:04,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:21:04,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:21:04,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:21:04,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:21:04,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:21:04,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:21:04,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:21:04,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:21:04,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:21:04,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:21:04,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:21:04,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 18:21:04,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:21:04,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:21:04,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:21:04,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:21:04,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:21:04,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:21:04,053 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:21:04,054 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:21:04,054 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:21:04,054 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:21:04,055 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:21:04,055 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:21:04,055 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:21:04,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:21:04,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:21:04,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:21:04,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:21:04,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:21:04,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:21:04,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:21:04,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:21:04,058 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:21:04,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:21:04,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:21:04,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:21:04,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:21:04,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:21:04,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:21:04,063 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:21:04,063 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_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d [2022-11-25 18:21:04,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:21:04,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:21:04,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:21:04,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:21:04,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:21:04,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2022-11-25 18:21:08,118 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:21:08,453 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:21:08,454 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2022-11-25 18:21:08,475 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/data/920b2ffdf/4763e8a1fb504006ae8af77d9a93fb5a/FLAG30dab6c74 [2022-11-25 18:21:08,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/data/920b2ffdf/4763e8a1fb504006ae8af77d9a93fb5a [2022-11-25 18:21:08,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:21:08,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:21:08,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:21:08,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:21:08,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:21:08,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:08,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3539ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08, skipping insertion in model container [2022-11-25 18:21:08,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:08,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:21:08,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:21:08,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:21:08,867 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:21:08,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:21:08,941 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:21:08,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08 WrapperNode [2022-11-25 18:21:08,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:21:08,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:21:08,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:21:08,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:21:08,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:08,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:08,992 INFO L138 Inliner]: procedures = 111, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-11-25 18:21:08,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:21:08,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:21:08,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:21:08,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:21:09,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,021 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:21:09,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:21:09,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:21:09,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:21:09,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (1/1) ... [2022-11-25 18:21:09,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:09,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:09,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:09,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:21:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:21:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:21:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:21:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:21:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:21:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:21:09,272 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:21:09,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:21:09,522 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:21:09,531 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:21:09,532 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:21:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:09 BoogieIcfgContainer [2022-11-25 18:21:09,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:21:09,535 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:21:09,536 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:21:09,540 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:21:09,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:21:09,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:21:08" (1/3) ... [2022-11-25 18:21:09,543 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25909701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:21:09, skipping insertion in model container [2022-11-25 18:21:09,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:21:09,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:08" (2/3) ... [2022-11-25 18:21:09,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25909701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:21:09, skipping insertion in model container [2022-11-25 18:21:09,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:21:09,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:09" (3/3) ... [2022-11-25 18:21:09,546 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2022-11-25 18:21:09,615 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:21:09,616 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:21:09,616 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:21:09,616 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:21:09,616 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:21:09,616 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:21:09,617 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:21:09,617 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:21:09,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-11-25 18:21:09,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:21:09,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:21:09,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:21:09,655 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:21:09,655 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:21:09,655 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:21:09,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2022-11-25 18:21:09,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:21:09,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:21:09,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:21:09,658 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 18:21:09,658 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:21:09,668 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 10#L554-11true [2022-11-25 18:21:09,669 INFO L750 eck$LassoCheckResult]: Loop: 10#L554-11true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 5#L554-1true assume test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 >= 0; 12#L554-3true test_fun_#t~short9#1 := test_fun_#t~short7#1; 7#L554-4true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 1073741824; 14#L554-6true test_fun_#t~short11#1 := test_fun_#t~short9#1; 9#L554-7true assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 4#L554-9true assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 10#L554-11true [2022-11-25 18:21:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:09,677 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 18:21:09,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:09,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8384067] [2022-11-25 18:21:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:09,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:09,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:21:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:09,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:21:09,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:09,994 INFO L85 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2022-11-25 18:21:09,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:09,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121407190] [2022-11-25 18:21:09,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:10,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:21:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:10,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:21:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2022-11-25 18:21:10,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:10,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471396736] [2022-11-25 18:21:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:10,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:21:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:10,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:21:11,245 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:21:11,246 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:21:11,246 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:21:11,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:21:11,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:21:11,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:11,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:21:11,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:21:11,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2022-11-25 18:21:11,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:21:11,248 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:21:11,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:11,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:21:12,322 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:21:12,327 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:21:12,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 18:21:12,338 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 [2022-11-25 18:21:12,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 18:21:12,396 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 [2022-11-25 18:21:12,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,444 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 [2022-11-25 18:21:12,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 18:21:12,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,494 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 [2022-11-25 18:21:12,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 18:21:12,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,539 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 [2022-11-25 18:21:12,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 18:21:12,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 18:21:12,584 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 [2022-11-25 18:21:12,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:12,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:12,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,629 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 18:21:12,640 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 [2022-11-25 18:21:12,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,687 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,696 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 [2022-11-25 18:21:12,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 18:21:12,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:12,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:12,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,741 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,748 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 [2022-11-25 18:21:12,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 18:21:12,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,784 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 18:21:12,799 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 [2022-11-25 18:21:12,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:12,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:12,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,859 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 18:21:12,864 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 [2022-11-25 18:21:12,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:12,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:12,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,912 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 18:21:12,920 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 [2022-11-25 18:21:12,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:12,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:12,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:12,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:12,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:12,956 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:12,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 18:21:12,969 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 [2022-11-25 18:21:12,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:12,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:12,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:12,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:12,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:12,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:12,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:12,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:12,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:13,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:13,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:13,002 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:13,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 18:21:13,008 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 [2022-11-25 18:21:13,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:13,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:13,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:13,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:13,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:13,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:13,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:13,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:13,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:13,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:13,044 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:13,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 18:21:13,056 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 [2022-11-25 18:21:13,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:13,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:13,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:13,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:13,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:13,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:13,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:13,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:13,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:13,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:13,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:13,088 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:13,096 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 [2022-11-25 18:21:13,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 18:21:13,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:13,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:21:13,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:13,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:13,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:13,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:21:13,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:21:13,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:13,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:13,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:13,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:13,131 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:13,135 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 [2022-11-25 18:21:13,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:13,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:13,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:13,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:13,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 18:21:13,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:13,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:13,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:21:13,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:13,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:13,176 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:13,186 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 [2022-11-25 18:21:13,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 18:21:13,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:21:13,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:21:13,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:21:13,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:21:13,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:21:13,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:21:13,230 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:21:13,278 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-25 18:21:13,278 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-25 18:21:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:21:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:21:13,339 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:21:13,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 18:21:13,395 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:21:13,424 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:21:13,425 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:21:13,425 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [] [2022-11-25 18:21:13,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:13,505 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-25 18:21:13,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:13,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 18:21:13,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:21:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:13,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:21:13,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:21:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:21:13,815 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-25 18:21:13,817 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 2.25) internal successors, (9), 4 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) [2022-11-25 18:21:13,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 2.25) internal successors, (9), 4 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) Result 54 states and 68 transitions. Complement of second has 9 states. [2022-11-25 18:21:13,937 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 [2022-11-25 18:21:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-25 18:21:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2022-11-25 18:21:13,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 7 letters. [2022-11-25 18:21:13,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:21:13,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 9 letters. Loop has 7 letters. [2022-11-25 18:21:13,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:21:13,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 14 letters. [2022-11-25 18:21:13,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:21:13,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-11-25 18:21:13,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:21:13,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 24 states and 33 transitions. [2022-11-25 18:21:13,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:21:13,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 18:21:13,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2022-11-25 18:21:13,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:21:13,959 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-25 18:21:13,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2022-11-25 18:21:13,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-25 18:21:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 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) [2022-11-25 18:21:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2022-11-25 18:21:13,989 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2022-11-25 18:21:13,989 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2022-11-25 18:21:13,989 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:21:13,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2022-11-25 18:21:13,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:21:13,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:21:13,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:21:13,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 18:21:13,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:21:13,991 INFO L748 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 192#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 182#L554-1 [2022-11-25 18:21:13,992 INFO L750 eck$LassoCheckResult]: Loop: 182#L554-1 assume !test_fun_#t~short7#1; 185#L554-3 test_fun_#t~short9#1 := test_fun_#t~short7#1; 186#L554-4 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 1073741824; 190#L554-6 test_fun_#t~short11#1 := test_fun_#t~short9#1; 176#L554-7 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 177#L554-9 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 180#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 182#L554-1 [2022-11-25 18:21:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-25 18:21:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:13,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772798480] [2022-11-25 18:21:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:14,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:21:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:14,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 18:21:14,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:21:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2022-11-25 18:21:14,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:14,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749152857] [2022-11-25 18:21:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:21:14,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:21:14,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749152857] [2022-11-25 18:21:14,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749152857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:21:14,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:21:14,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:21:14,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880607221] [2022-11-25 18:21:14,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:21:14,198 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:21:14,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:21:14,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:21:14,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:21:14,202 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 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) [2022-11-25 18:21:14,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:21:14,247 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2022-11-25 18:21:14,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2022-11-25 18:21:14,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:21:14,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2022-11-25 18:21:14,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:21:14,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:21:14,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-11-25 18:21:14,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:21:14,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-11-25 18:21:14,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-11-25 18:21:14,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2022-11-25 18:21:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 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) [2022-11-25 18:21:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-11-25 18:21:14,257 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-25 18:21:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:21:14,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-25 18:21:14,261 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 18:21:14,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2022-11-25 18:21:14,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-25 18:21:14,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:21:14,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:21:14,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 18:21:14,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:21:14,265 INFO L748 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 233#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 248#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 241#L554-1 [2022-11-25 18:21:14,265 INFO L750 eck$LassoCheckResult]: Loop: 241#L554-1 assume !test_fun_#t~short7#1; 243#L554-3 test_fun_#t~short9#1 := test_fun_#t~short7#1; 244#L554-4 assume !test_fun_#t~short9#1; 249#L554-6 test_fun_#t~short11#1 := test_fun_#t~short9#1; 234#L554-7 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 235#L554-9 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 238#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 241#L554-1 [2022-11-25 18:21:14,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:14,266 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-11-25 18:21:14,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:14,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153320790] [2022-11-25 18:21:14,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:14,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:21:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:21:14,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:21:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:21:14,332 INFO L85 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2022-11-25 18:21:14,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:21:14,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037287685] [2022-11-25 18:21:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:21:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:21:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:21:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:21:14,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:21:14,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037287685] [2022-11-25 18:21:14,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037287685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:21:14,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:21:14,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:21:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201406336] [2022-11-25 18:21:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:21:14,392 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:21:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:21:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:21:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:21:14,393 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 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) [2022-11-25 18:21:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:21:14,454 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-25 18:21:14,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2022-11-25 18:21:14,455 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:21:14,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-11-25 18:21:14,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 18:21:14,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 18:21:14,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 18:21:14,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:21:14,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:21:14,457 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:21:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:21:14,458 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:21:14,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 18:21:14,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:21:14,459 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:21:14,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 18:21:14,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:21:14 BoogieIcfgContainer [2022-11-25 18:21:14,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:21:14,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:21:14,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:21:14,476 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:21:14,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:09" (3/4) ... [2022-11-25 18:21:14,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:21:14,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:21:14,481 INFO L158 Benchmark]: Toolchain (without parser) took 5981.93ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 113.6MB in the beginning and 130.7MB in the end (delta: -17.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-25 18:21:14,482 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:21:14,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.74ms. Allocated memory is still 146.8MB. Free memory was 113.6MB in the beginning and 97.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:21:14,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.48ms. Allocated memory is still 146.8MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:21:14,484 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:21:14,493 INFO L158 Benchmark]: RCFGBuilder took 508.92ms. Allocated memory is still 146.8MB. Free memory was 94.7MB in the beginning and 82.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:21:14,495 INFO L158 Benchmark]: BuchiAutomizer took 4939.30ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 82.8MB in the beginning and 130.7MB in the end (delta: -47.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:21:14,495 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 186.6MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:21:14,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.74ms. Allocated memory is still 146.8MB. Free memory was 113.6MB in the beginning and 97.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.48ms. Allocated memory is still 146.8MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 95.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.92ms. Allocated memory is still 146.8MB. Free memory was 94.7MB in the beginning and 82.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4939.30ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 82.8MB in the beginning and 130.7MB in the end (delta: -47.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 186.6MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 27 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax108 hnf100 lsp85 ukn67 mio100 lsp37 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 18:21:14,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e173de-c091-4c13-af4d-34e24286e28b/bin/uautomizer-ZsLfNo2U6R/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