./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc --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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- 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-5e519f3 [2022-11-02 20:39:46,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:39:46,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:39:46,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:39:46,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:39:46,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:39:46,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:39:46,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:39:46,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:39:46,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:39:46,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:39:46,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:39:46,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:39:46,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:39:46,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:39:46,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:39:46,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:39:46,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:39:46,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:39:46,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:39:46,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:39:46,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:39:46,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:39:46,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:39:46,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:39:46,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:39:46,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:39:46,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:39:46,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:39:46,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:39:46,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:39:46,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:39:46,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:39:46,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:39:46,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:39:46,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:39:46,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:39:46,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:39:46,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:39:46,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:39:46,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:39:46,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:39:47,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:39:47,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:39:47,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:39:47,046 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:39:47,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:39:47,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:39:47,048 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:39:47,048 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:39:47,048 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:39:47,049 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:39:47,050 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:39:47,050 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:39:47,051 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:39:47,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:39:47,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:39:47,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:39:47,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:39:47,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:39:47,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:39:47,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:39:47,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:39:47,053 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:39:47,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:39:47,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:39:47,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:39:47,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:39:47,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:39:47,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:39:47,058 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:39:47,058 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_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2022-11-02 20:39:47,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:39:47,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:39:47,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:39:47,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:39:47,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:39:47,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-11-02 20:39:47,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/data/968ffc1f4/cb7e1ac1cf3240f9adb48b64da72e2aa/FLAG0c3ef671d [2022-11-02 20:39:48,126 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:39:48,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-11-02 20:39:48,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/data/968ffc1f4/cb7e1ac1cf3240f9adb48b64da72e2aa/FLAG0c3ef671d [2022-11-02 20:39:48,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/data/968ffc1f4/cb7e1ac1cf3240f9adb48b64da72e2aa [2022-11-02 20:39:48,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:39:48,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:39:48,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:48,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:39:48,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:39:48,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d67079a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48, skipping insertion in model container [2022-11-02 20:39:48,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:39:48,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:39:48,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:39:48,760 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:39:48,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:39:48,789 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:39:48,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48 WrapperNode [2022-11-02 20:39:48,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:48,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:39:48,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:39:48,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:39:48,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,830 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2022-11-02 20:39:48,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:39:48,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:39:48,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:39:48,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:39:48,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:39:48,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:39:48,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:39:48,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:39:48,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:48,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:48,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:39:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:39:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:39:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-02 20:39:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-02 20:39:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-11-02 20:39:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-11-02 20:39:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:39:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:39:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:39:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:39:49,074 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:39:49,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:39:49,222 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:39:49,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:39:49,230 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:39:49,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:39:49 BoogieIcfgContainer [2022-11-02 20:39:49,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:39:49,233 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:39:49,233 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:39:49,242 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:39:49,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:39:49,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:39:48" (1/3) ... [2022-11-02 20:39:49,244 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39ef2721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:39:49, skipping insertion in model container [2022-11-02 20:39:49,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:39:49,245 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (2/3) ... [2022-11-02 20:39:49,245 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39ef2721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:39:49, skipping insertion in model container [2022-11-02 20:39:49,245 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:39:49,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:39:49" (3/3) ... [2022-11-02 20:39:49,247 INFO L332 chiAutomizerObserver]: Analyzing ICFG mutual_simple.i [2022-11-02 20:39:49,323 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:39:49,323 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:39:49,323 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:39:49,324 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:39:49,324 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:39:49,324 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:39:49,324 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:39:49,324 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:39:49,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:39:49,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-02 20:39:49,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:39:49,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:39:49,368 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:39:49,368 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:39:49,368 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:39:49,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:39:49,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-02 20:39:49,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:39:49,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:39:49,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:39:49,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:39:49,380 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnHeap(4);main_~p1~0#1.base, main_~p1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;havoc main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call write~int(main_#t~nondet6#1, main_~p1~0#1.base, main_~p1~0#1.offset, 4);havoc main_#t~nondet6#1; 12#L37true call f(main_~p1~0#1.base, main_~p1~0#1.offset);< 10#fENTRYtrue [2022-11-02 20:39:49,381 INFO L750 eck$LassoCheckResult]: Loop: 10#fENTRYtrue ~q.base, ~q.offset := #in~q.base, #in~q.offset;call #t~mem1 := read~int(~q.base, ~q.offset, 4); 15#L13true assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem2 := read~int(~q.base, ~q.offset, 4);#t~post3 := #t~mem2;call write~int(#t~post3 - 1, ~q.base, ~q.offset, 4);havoc #t~mem2;havoc #t~post3; 17#L17true call g(~q.base, ~q.offset);< 11#gENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem4 := read~int(~p.base, ~p.offset, 4); 14#L22true assume !(#t~mem4 < 0);havoc #t~mem4; 5#L25true call f(~p.base, ~p.offset);< 10#fENTRYtrue [2022-11-02 20:39:49,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash 43767, now seen corresponding path program 1 times [2022-11-02 20:39:49,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:49,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143329707] [2022-11-02 20:39:49,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:39:49,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:39:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:39:49,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:39:49,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash 891860259, now seen corresponding path program 1 times [2022-11-02 20:39:49,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:49,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917534915] [2022-11-02 20:39:49,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:49,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:39:49,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:39:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:39:49,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:39:49,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:49,731 INFO L85 PathProgramCache]: Analyzing trace with hash -306262119, now seen corresponding path program 1 times [2022-11-02 20:39:49,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:49,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746785236] [2022-11-02 20:39:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:39:49,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:39:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:39:49,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:39:51,041 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:39:51,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:39:51,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:39:51,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:39:51,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:39:51,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:51,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:39:51,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:39:51,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: mutual_simple.i_Iteration1_Lasso [2022-11-02 20:39:51,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:39:51,044 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:39:51,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:39:51,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:39:51,613 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:39:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:51,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:51,631 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 [2022-11-02 20:39:51,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:39:51,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:51,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:39:51,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:51,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:51,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:51,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:39:51,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:39:51,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:51,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:51,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:51,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:51,697 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:51,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:39:51,701 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 [2022-11-02 20:39:51,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:51,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:39:51,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:51,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:51,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:51,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:39:51,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:39:51,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:51,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:51,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:51,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:51,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:51,781 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 [2022-11-02 20:39:51,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:39:51,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:51,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:39:51,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:51,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:51,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:51,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:39:51,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:39:51,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:51,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:51,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:51,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:51,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:51,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:39:51,859 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 [2022-11-02 20:39:51,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:51,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:39:51,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:51,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:51,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:51,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:39:51,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:39:51,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:51,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:51,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:51,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:51,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:51,950 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 [2022-11-02 20:39:51,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:39:51,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:51,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:39:51,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:51,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:51,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:51,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:39:51,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:39:51,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:52,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:52,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:52,027 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:52,037 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 [2022-11-02 20:39:52,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:39:52,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:52,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:52,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:52,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:52,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:39:52,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:39:52,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:52,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:52,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:52,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:52,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:52,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:39:52,121 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 [2022-11-02 20:39:52,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:52,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:39:52,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:52,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:52,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:52,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:39:52,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:39:52,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:39:52,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:52,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:52,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:52,202 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:52,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:39:52,205 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 [2022-11-02 20:39:52,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:39:52,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:39:52,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:39:52,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:39:52,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:39:52,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:39:52,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:39:52,253 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-02 20:39:52,254 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-02 20:39:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:39:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:52,257 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:52,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:39:52,279 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:39:52,325 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:39:52,325 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:39:52,325 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1) = 1*v_rep(select (select #memory_int f_#in~q.base) f_#in~q.offset)_1 Supporting invariants [] [2022-11-02 20:39:52,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:52,380 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-02 20:39:52,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:39:52,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-02 20:39:52,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:52,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-11-02 20:39:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:52,727 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-11-02 20:39:52,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:39:53,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-02 20:39:53,094 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 53 transitions. Complement of second has 22 states. [2022-11-02 20:39:53,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-11-02 20:39:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:39:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. [2022-11-02 20:39:53,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-02 20:39:53,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:39:53,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 9 letters. Loop has 6 letters. [2022-11-02 20:39:53,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:39:53,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 15 transitions. Stem has 3 letters. Loop has 12 letters. [2022-11-02 20:39:53,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:39:53,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 53 transitions. [2022-11-02 20:39:53,131 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:39:53,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2022-11-02 20:39:53,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:39:53,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:39:53,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:39:53,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:39:53,145 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:39:53,145 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:39:53,145 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:39:53,145 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:39:53,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:39:53,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:39:53,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:39:53,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:39:53 BoogieIcfgContainer [2022-11-02 20:39:53,158 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:39:53,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:39:53,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:39:53,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:39:53,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:39:49" (3/4) ... [2022-11-02 20:39:53,168 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:39:53,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:39:53,171 INFO L158 Benchmark]: Toolchain (without parser) took 4686.57ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 79.6MB in the beginning and 125.3MB in the end (delta: -45.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:39:53,172 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:39:53,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.43ms. Allocated memory is still 119.5MB. Free memory was 79.3MB in the beginning and 94.4MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:39:53,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 119.5MB. Free memory was 93.9MB in the beginning and 92.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:39:53,180 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 119.5MB. Free memory was 92.8MB in the beginning and 91.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:39:53,181 INFO L158 Benchmark]: RCFGBuilder took 365.86ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 81.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:39:53,182 INFO L158 Benchmark]: BuchiAutomizer took 3925.13ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 81.4MB in the beginning and 125.3MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:39:53,182 INFO L158 Benchmark]: Witness Printer took 9.87ms. Allocated memory is still 157.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:39:53,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.43ms. Allocated memory is still 119.5MB. Free memory was 79.3MB in the beginning and 94.4MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 119.5MB. Free memory was 93.9MB in the beginning and 92.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 119.5MB. Free memory was 92.8MB in the beginning and 91.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.86ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 81.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3925.13ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 81.4MB in the beginning and 125.3MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.87ms. Allocated memory is still 157.3MB. Free memory is still 125.3MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[q][q] and consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -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, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 11 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital113 mio100 ax100 hnf100 lsp94 ukn68 mio100 lsp36 div100 bol100 ite100 ukn100 eq144 hnf92 smp94 dnf100 smp100 tf100 neg97 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 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! [2022-11-02 20:39:53,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af479c-1893-4aae-a44c-ee36b497eb3b/bin/uautomizer-Dbtcem3rbc/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