./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --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_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/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_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/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_ed8dc343-231e-44e1-9919-85f28f1a455d/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 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 --- 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 20:28:57,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:28:57,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:28:57,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:28:57,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:28:57,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:28:57,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:28:57,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:28:57,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:28:57,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:28:57,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:28:57,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:28:57,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:28:57,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:28:57,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:28:57,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:28:57,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:28:57,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:28:57,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:28:57,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:28:57,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:28:57,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:28:57,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:28:57,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:28:57,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:28:57,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:28:57,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:28:57,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:28:57,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:28:57,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:28:57,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:28:57,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:28:57,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:28:57,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:28:57,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:28:57,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:28:57,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:28:57,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:28:57,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:28:57,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:28:57,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:28:57,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:28:57,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:28:57,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:28:57,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:28:57,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:28:57,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:28:57,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:28:57,880 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:28:57,880 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:28:57,880 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:28:57,881 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:28:57,882 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:28:57,882 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:28:57,883 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:28:57,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:28:57,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:28:57,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:28:57,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:28:57,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:28:57,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:28:57,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:28:57,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:28:57,885 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:28:57,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:28:57,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:28:57,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:28:57,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:28:57,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:28:57,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:28:57,890 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:28:57,890 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_ed8dc343-231e-44e1-9919-85f28f1a455d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2022-11-02 20:28:58,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:28:58,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:28:58,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:28:58,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:28:58,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:28:58,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2022-11-02 20:28:58,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/data/696ee8ec2/d58230307b0842e4b500f3b1280d4cf6/FLAGaafb2feaa [2022-11-02 20:28:58,958 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:28:58,959 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2022-11-02 20:28:58,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/data/696ee8ec2/d58230307b0842e4b500f3b1280d4cf6/FLAGaafb2feaa [2022-11-02 20:28:59,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/data/696ee8ec2/d58230307b0842e4b500f3b1280d4cf6 [2022-11-02 20:28:59,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:28:59,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:28:59,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:28:59,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:28:59,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:28:59,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3a2541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59, skipping insertion in model container [2022-11-02 20:28:59,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:28:59,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:28:59,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:28:59,628 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:28:59,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:28:59,662 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:28:59,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59 WrapperNode [2022-11-02 20:28:59,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:28:59,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:28:59,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:28:59,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:28:59,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,712 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-02 20:28:59,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:28:59,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:28:59,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:28:59,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:28:59,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:28:59,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:28:59,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:28:59,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:28:59,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (1/1) ... [2022-11-02 20:28:59,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:59,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:59,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:59,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:28:59,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:28:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:28:59,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:28:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:28:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:28:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:28:59,948 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:28:59,951 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:29:00,070 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:29:00,077 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:29:00,077 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:29:00,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:00 BoogieIcfgContainer [2022-11-02 20:29:00,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:29:00,081 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:29:00,081 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:29:00,087 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:29:00,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:29:00,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:28:59" (1/3) ... [2022-11-02 20:29:00,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e11a5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:29:00, skipping insertion in model container [2022-11-02 20:29:00,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:29:00,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:59" (2/3) ... [2022-11-02 20:29:00,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e11a5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:29:00, skipping insertion in model container [2022-11-02 20:29:00,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:29:00,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:00" (3/3) ... [2022-11-02 20:29:00,092 INFO L332 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2022-11-02 20:29:00,158 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:29:00,158 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:29:00,159 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:29:00,159 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:29:00,159 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:29:00,159 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:29:00,160 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:29:00,160 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:29:00,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-11-02 20:29:00,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:29:00,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:29:00,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:29:00,195 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:29:00,195 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:29:00,195 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:29:00,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-11-02 20:29:00,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:29:00,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:29:00,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:29:00,198 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:29:00,198 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:29:00,207 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~mem2#1, main_#t~post3#1, main_#t~mem1#1, main_~p~0#1.base, main_~p~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnHeap(4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset; 5#L15-3true [2022-11-02 20:29:00,208 INFO L750 eck$LassoCheckResult]: Loop: 5#L15-3true call main_#t~mem1#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4); 6#L15-1true assume !!(main_#t~mem1#1 >= 0);havoc main_#t~mem1#1;call main_#t~mem2#1 := read~int(main_~p~0#1.base, main_~p~0#1.offset, 4);main_#t~post3#1 := main_#t~mem2#1;call write~int(main_#t~post3#1 - 1, main_~p~0#1.base, main_~p~0#1.offset, 4);havoc main_#t~mem2#1;havoc main_#t~post3#1; 5#L15-3true [2022-11-02 20:29:00,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:00,216 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:29:00,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:00,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890291487] [2022-11-02 20:29:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:00,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:29:00,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:29:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:29:00,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:29:00,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:00,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-11-02 20:29:00,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:00,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325397222] [2022-11-02 20:29:00,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:00,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:29:00,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:29:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:29:00,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:29:00,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:00,450 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-11-02 20:29:00,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:00,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445360797] [2022-11-02 20:29:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:00,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:29:00,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:29:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:29:00,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:29:00,976 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:29:00,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:29:00,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:29:00,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:29:00,978 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:29:00,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:00,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:29:00,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:29:00,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2022-11-02 20:29:00,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:29:00,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:29:01,007 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 20:29:01,022 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 20:29:01,155 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 20:29:01,164 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 20:29:01,168 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 20:29:01,174 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 20:29:01,179 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 20:29:01,186 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 20:29:01,191 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 20:29:01,465 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:29:01,471 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:29:01,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:01,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:01,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:01,480 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 20:29:01,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:29:01,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:29:01,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:29:01,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:29:01,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:29:01,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:29:01,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:29:01,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:29:01,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:01,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:01,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:01,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:29:01,581 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 20:29:01,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:29:01,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:29:01,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:29:01,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:29:01,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:29:01,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:29:01,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:29:01,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:01,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:01,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:01,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:01,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:29:01,686 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 20:29:01,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:29:01,702 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 20:29:01,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:29:01,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:29:01,707 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-02 20:29:01,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:29:01,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:29:01,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:01,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:01,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:01,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:01,774 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 20:29:01,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:29:01,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:29:01,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:29:01,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:29:01,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:29:01,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:29:01,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:29:01,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:29:01,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:01,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:01,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:01,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:01,861 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 20:29:01,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:29:01,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:29:01,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:29:01,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:29:01,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:29:01,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:29:01,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:29:01,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:29:01,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:01,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:01,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:01,947 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:01,967 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 20:29:01,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:29:01,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:29:01,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:29:01,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:29:01,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:29:01,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:29:01,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:29:01,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:29:01,995 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:29:02,003 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:29:02,003 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:29:02,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:29:02,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:02,008 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:02,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:29:02,031 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:29:02,031 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:29:02,032 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0#1.base) ULTIMATE.start_main_~p~0#1.offset)_1 + 1 Supporting invariants [] [2022-11-02 20:29:02,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:29:02,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:02,110 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-11-02 20:29:02,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:29:02,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:29:02,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:02,204 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 20:29:02,245 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:29:02,247 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-02 20:29:02,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 18 states and 20 transitions. Complement of second has 7 states. [2022-11-02 20:29:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:29:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-02 20:29:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-11-02 20:29:02,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-02 20:29:02,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:29:02,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-02 20:29:02,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:29:02,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-02 20:29:02,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:29:02,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2022-11-02 20:29:02,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:29:02,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-02 20:29:02,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:29:02,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:29:02,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:29:02,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:02,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:29:02,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:29:02,370 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:29:02,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:29:02,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:29:02,371 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:29:02,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:29:02,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:29:02 BoogieIcfgContainer [2022-11-02 20:29:02,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:29:02,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:29:02,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:29:02,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:29:02,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:00" (3/4) ... [2022-11-02 20:29:02,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:02,395 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:29:02,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:29:02,396 INFO L158 Benchmark]: Toolchain (without parser) took 3084.74ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 75.4MB in the beginning and 111.8MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:29:02,397 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:29:02,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.67ms. Allocated memory is still 109.1MB. Free memory was 75.2MB in the beginning and 84.3MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:29:02,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.74ms. Allocated memory is still 109.1MB. Free memory was 84.3MB in the beginning and 82.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:29:02,398 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.9MB in the end (delta: 995.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:29:02,399 INFO L158 Benchmark]: RCFGBuilder took 325.62ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 72.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:29:02,400 INFO L158 Benchmark]: BuchiAutomizer took 2299.83ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 72.8MB in the beginning and 111.9MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:29:02,401 INFO L158 Benchmark]: Witness Printer took 13.67ms. Allocated memory is still 140.5MB. Free memory was 111.9MB in the beginning and 111.8MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:29:02,407 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 109.1MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.67ms. Allocated memory is still 109.1MB. Free memory was 75.2MB in the beginning and 84.3MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.74ms. Allocated memory is still 109.1MB. Free memory was 84.3MB in the beginning and 82.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.9MB in the end (delta: 995.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.62ms. Allocated memory is still 109.1MB. Free memory was 81.9MB in the beginning and 72.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2299.83ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 72.8MB in the beginning and 111.9MB in the end (delta: -39.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.67ms. Allocated memory is still 140.5MB. Free memory was 111.9MB in the beginning and 111.8MB in the end (delta: 122.4kB). 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 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp92 ukn60 mio100 lsp34 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf109 smp91 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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 20:29:02,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed8dc343-231e-44e1-9919-85f28f1a455d/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