./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 9da7e5c80ccb6aa55f59272195bd940588260f9f76e56e39277e1361d25d98cb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:06,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:06,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:59:06,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:06,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:06,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:06,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:06,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:06,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:06,918 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:06,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:06,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:06,920 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:06,921 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:59:06,921 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:59:06,922 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:59:06,922 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:59:06,923 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:59:06,923 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:59:06,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:06,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:59:06,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:06,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:06,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:59:06,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:59:06,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:59:06,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:06,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:06,929 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:59:06,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:06,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:06,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:06,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:06,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:06,932 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:59:06,932 INFO L153 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_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da7e5c80ccb6aa55f59272195bd940588260f9f76e56e39277e1361d25d98cb [2023-11-26 11:59:07,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:07,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:07,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:07,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:07,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:07,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca-2.i [2023-11-26 11:59:10,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:10,849 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:10,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca-2.i [2023-11-26 11:59:10,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/data/a66c3d6fa/6008134cf1864a21a03e21ea1d3ebdc0/FLAG1904e0a81 [2023-11-26 11:59:10,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/data/a66c3d6fa/6008134cf1864a21a03e21ea1d3ebdc0 [2023-11-26 11:59:10,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:10,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:10,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:10,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:10,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:10,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:10" (1/1) ... [2023-11-26 11:59:10,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cf16c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:10, skipping insertion in model container [2023-11-26 11:59:10,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:10" (1/1) ... [2023-11-26 11:59:10,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:11,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:11,396 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:11,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:11,493 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:11,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11 WrapperNode [2023-11-26 11:59:11,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:11,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:11,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:11,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:11,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,561 INFO L138 Inliner]: procedures = 110, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-11-26 11:59:11,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:11,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:11,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:11,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:11,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,613 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [4, 4]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2023-11-26 11:59:11,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:11,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:11,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:11,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:11,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (1/1) ... [2023-11-26 11:59:11,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:11,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:11,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:11,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:59:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:59:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:59:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:59:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:59:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:59:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:11,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:11,834 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:11,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:11,925 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:11,934 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:11,934 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:11,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:11 BoogieIcfgContainer [2023-11-26 11:59:11,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:11,938 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:59:11,938 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:59:11,943 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:59:11,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:11,944 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:59:10" (1/3) ... [2023-11-26 11:59:11,945 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f494ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:59:11, skipping insertion in model container [2023-11-26 11:59:11,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:11,946 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:11" (2/3) ... [2023-11-26 11:59:11,946 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f494ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:59:11, skipping insertion in model container [2023-11-26 11:59:11,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:11,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:11" (3/3) ... [2023-11-26 11:59:11,948 INFO L332 chiAutomizerObserver]: Analyzing ICFG BrockschmidtCookFuhs-2013CAV-Introduction-alloca-2.i [2023-11-26 11:59:12,009 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:59:12,009 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:59:12,009 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:59:12,010 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:59:12,010 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:59:12,010 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:59:12,010 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:59:12,010 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:59:12,015 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) [2023-11-26 11:59:12,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:59:12,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:12,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:12,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:59:12,041 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:12,041 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:59:12,042 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) [2023-11-26 11:59:12,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:59:12,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:12,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:12,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-26 11:59:12,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:59:12,052 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem5#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int#0(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int#1(1, main_~y~0#1.base, main_~y~0#1.offset, 4); 3#L552-3true [2023-11-26 11:59:12,052 INFO L750 eck$LassoCheckResult]: Loop: 3#L552-3true call main_#t~mem5#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4); 8#L552-1true assume !!(main_#t~mem5#1 > 0);havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int#0(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem7#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#0(main_#t~mem6#1 - main_#t~mem7#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#1(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int#1(1 + main_#t~mem8#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem8#1; 3#L552-3true [2023-11-26 11:59:12,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,058 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-26 11:59:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797162846] [2023-11-26 11:59:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:12,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2023-11-26 11:59:12,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204468122] [2023-11-26 11:59:12,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:12,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:12,370 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-26 11:59:12,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:12,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659153538] [2023-11-26 11:59:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:12,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:12,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:13,049 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:59:13,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:59:13,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:59:13,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:59:13,051 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:59:13,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:13,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:59:13,052 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:59:13,052 INFO L133 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-2013CAV-Introduction-alloca-2.i_Iteration1_Lasso [2023-11-26 11:59:13,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:59:13,052 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:59:13,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:13,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:59:13,776 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:59:13,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:13,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:13,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:13,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:59:13,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:59:13,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:13,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:13,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:13,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:13,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:13,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:13,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:13,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:13,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:13,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:13,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:13,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:13,836 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 [2023-11-26 11:59:13,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:13,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:13,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:13,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:13,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:13,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:13,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:13,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:59:13,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:13,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:13,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:13,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:13,867 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:13,872 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 [2023-11-26 11:59:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:59:13,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:13,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:13,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:13,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:13,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:13,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:13,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:13,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:13,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:13,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:13,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:13,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:59:13,918 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 [2023-11-26 11:59:13,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:13,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:13,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:13,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:13,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:13,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:13,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:13,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:13,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:13,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:13,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:13,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:59:13,989 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 [2023-11-26 11:59:14,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:14,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:14,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:14,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,032 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 [2023-11-26 11:59:14,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:59:14,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:14,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:14,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,078 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,092 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 [2023-11-26 11:59:14,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:14,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:14,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:14,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:59:14,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,135 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:59:14,140 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 [2023-11-26 11:59:14,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:14,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:14,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:14,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,171 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,178 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 [2023-11-26 11:59:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:59:14,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:14,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:14,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:14,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,221 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,229 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 [2023-11-26 11:59:14,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:59:14,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:14,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:14,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,266 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:59:14,281 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 [2023-11-26 11:59:14,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:14,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:14,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,322 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,326 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 [2023-11-26 11:59:14,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:59:14,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:14,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:14,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:14,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,373 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:59:14,382 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 [2023-11-26 11:59:14,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:14,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:14,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:14,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:14,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:59:14,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:59:14,413 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:59:14,430 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-26 11:59:14,430 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-26 11:59:14,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:14,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:14,481 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:14,491 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:59:14,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:59:14,528 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 11:59:14,529 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:59:14,529 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 - 1 >= 0] [2023-11-26 11:59:14,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:14,585 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2023-11-26 11:59:14,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][~x~0!offset] could not be translated [2023-11-26 11:59:14,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:14,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:59:14,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:14,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 11:59:14,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:14,771 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 [2023-11-26 11:59:14,773 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) [2023-11-26 11:59:14,854 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 16 states and 18 transitions. Complement of second has 8 states. [2023-11-26 11:59:14,856 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 [2023-11-26 11:59:14,860 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) [2023-11-26 11:59:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2023-11-26 11:59:14,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-26 11:59:14,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:14,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:59:14,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:14,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-26 11:59:14,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:14,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2023-11-26 11:59:14,866 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:59:14,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-11-26 11:59:14,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:59:14,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:59:14,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:59:14,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:14,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:14,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:14,871 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:14,871 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:59:14,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:59:14,871 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:59:14,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:59:14,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:59:14 BoogieIcfgContainer [2023-11-26 11:59:14,879 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:59:14,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:14,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:14,881 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:14,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:11" (3/4) ... [2023-11-26 11:59:14,883 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:14,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:14,890 INFO L158 Benchmark]: Toolchain (without parser) took 3974.70ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 71.4MB in the end (delta: 59.1MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:14,890 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:14,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.72ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 114.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:59:14,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.37ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 113.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:14,893 INFO L158 Benchmark]: Boogie Preprocessor took 63.27ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:14,893 INFO L158 Benchmark]: RCFGBuilder took 310.12ms. Allocated memory is still 172.0MB. Free memory was 111.1MB in the beginning and 101.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:59:14,896 INFO L158 Benchmark]: BuchiAutomizer took 2941.62ms. Allocated memory is still 172.0MB. Free memory was 101.1MB in the beginning and 71.4MB in the end (delta: 29.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:14,896 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 172.0MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:14,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.72ms. Allocated memory is still 172.0MB. Free memory was 130.5MB in the beginning and 114.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.37ms. Allocated memory is still 172.0MB. Free memory was 114.5MB in the beginning and 113.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.27ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.12ms. Allocated memory is still 172.0MB. Free memory was 111.1MB in the beginning and 101.1MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2941.62ms. Allocated memory is still 172.0MB. Free memory was 101.1MB in the beginning and 71.4MB in the end (delta: 29.7MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 172.0MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x~0!base][~x~0!offset] could not be translated * 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 null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital186 mio100 ax109 hnf100 lsp88 ukn62 mio100 lsp23 div100 bol100 ite100 ukn100 eq159 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms 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! [2023-11-26 11:59:14,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:15,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22ca0ec-a361-4cdf-b473-6b0b935d375a/bin/uautomizer-verify-VRDe98Ueme/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