./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU --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 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:13,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:13,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:08:13,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:13,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:14,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:14,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:14,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:14,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:14,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:14,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:14,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:14,022 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:14,022 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:14,024 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:14,025 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:14,025 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:14,026 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:14,026 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:14,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:14,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:14,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:14,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:14,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:14,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:14,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:14,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:14,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:14,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:14,033 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:14,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:14,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:14,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:14,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:14,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:14,049 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:14,049 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_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2024-10-31 22:08:14,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:14,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:14,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:14,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:14,369 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:14,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c Unable to find full path for "g++" [2024-10-31 22:08:16,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:16,585 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:16,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2024-10-31 22:08:16,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/data/1afe2269e/33e2363193094e598471e9520e404dee/FLAGd21f6724c [2024-10-31 22:08:16,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/data/1afe2269e/33e2363193094e598471e9520e404dee [2024-10-31 22:08:16,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:16,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:16,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:16,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:16,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:16,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f28912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16, skipping insertion in model container [2024-10-31 22:08:16,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:16,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:16,830 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:16,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:16,859 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:16,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16 WrapperNode [2024-10-31 22:08:16,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:16,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:16,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:16,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:16,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,895 INFO L138 Inliner]: procedures = 7, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-10-31 22:08:16,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:16,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:16,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:16,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:16,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,929 INFO L175 MemorySlicer]: Split 15 memory accesses to 4 slices as follows [3, 4, 4, 4]. 27 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 11 writes are split as follows [2, 3, 3, 3]. [2024-10-31 22:08:16,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:16,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:16,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:16,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:16,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (1/1) ... [2024-10-31 22:08:16,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:16,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:16,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:08:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:08:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:08:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:08:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:08:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:08:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:08:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:08:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:08:17,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:08:17,129 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:17,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:17,357 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:17,357 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:17,374 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:17,375 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:17,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:17 BoogieIcfgContainer [2024-10-31 22:08:17,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:17,377 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:17,378 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:17,382 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:17,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:17,383 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:16" (1/3) ... [2024-10-31 22:08:17,384 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a6d19db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:17, skipping insertion in model container [2024-10-31 22:08:17,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:17,385 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:16" (2/3) ... [2024-10-31 22:08:17,385 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a6d19db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:17, skipping insertion in model container [2024-10-31 22:08:17,385 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:17,386 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:17" (3/3) ... [2024-10-31 22:08:17,387 INFO L332 chiAutomizerObserver]: Analyzing ICFG 4BitCounterPointer.c [2024-10-31 22:08:17,470 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:17,471 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:17,471 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:17,471 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:17,471 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:17,471 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:17,471 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:17,472 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:17,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:17,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:08:17,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:17,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:17,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:08:17,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:17,504 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:17,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:17,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:08:17,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:17,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:17,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:08:17,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:17,515 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc0#1.base, main_#t~malloc0#1.offset, main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 4#L24-2true [2024-10-31 22:08:17,515 INFO L747 eck$LassoCheckResult]: Loop: 4#L24-2true call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 8#L15-1true assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 2#L16true assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 4#L24-2true [2024-10-31 22:08:17,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:08:17,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:17,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987671239] [2024-10-31 22:08:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:17,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:17,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:17,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:17,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:17,862 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2024-10-31 22:08:17,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:17,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335104129] [2024-10-31 22:08:17,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:17,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:17,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:17,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2024-10-31 22:08:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:17,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107970677] [2024-10-31 22:08:17,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:17,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:18,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:20,250 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:20,250 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:20,250 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:20,251 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:20,251 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:20,251 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:20,251 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:20,251 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:20,251 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration1_Lasso [2024-10-31 22:08:20,252 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:20,252 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:20,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:21,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:21,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:21,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:21,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:21,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:21,610 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:21,615 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:21,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:08:21,628 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 [2024-10-31 22:08:21,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:21,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:21,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:21,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:21,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:21,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:21,665 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:21,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:08:21,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:08:21,692 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 [2024-10-31 22:08:21,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:21,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:21,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:21,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:21,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:21,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:21,720 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:21,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:08:21,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:08:21,753 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 [2024-10-31 22:08:21,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:21,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:21,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:21,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:21,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:21,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:21,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:21,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:08:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,804 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:08:21,806 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 [2024-10-31 22:08:21,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:21,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:21,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:21,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:21,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:21,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:21,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:21,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:08:21,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,857 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:08:21,860 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 [2024-10-31 22:08:21,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:21,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:21,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:21,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:21,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:21,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:21,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:21,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:08:21,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,907 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:08:21,916 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 [2024-10-31 22:08:21,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:21,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:21,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:21,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:21,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:21,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:21,958 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:21,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:21,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:21,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:21,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:21,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:08:21,988 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 [2024-10-31 22:08:22,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:22,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:08:22,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,036 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:08:22,040 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 [2024-10-31 22:08:22,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:22,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:08:22,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,111 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:08:22,114 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 [2024-10-31 22:08:22,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:22,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:08:22,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,162 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:08:22,165 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 [2024-10-31 22:08:22,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,191 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:22,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:22,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,213 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:08:22,216 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 [2024-10-31 22:08:22,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,243 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:22,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:08:22,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,267 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:08:22,269 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 [2024-10-31 22:08:22,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,294 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:22,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:22,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,316 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:08:22,320 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 [2024-10-31 22:08:22,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:22,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:22,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:22,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:22,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:22,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:22,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:22,359 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:08:22,360 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-10-31 22:08:22,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:22,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:22,380 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:22,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:08:22,385 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:22,401 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:08:22,401 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:22,402 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_1 + 1 Supporting invariants [] [2024-10-31 22:08:22,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:22,666 INFO L156 tatePredicateManager]: 34 out of 34 supporting invariants were superfluous and have been removed [2024-10-31 22:08:22,676 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-10-31 22:08:22,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-10-31 22:08:22,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~x0~0!base,]]] [2024-10-31 22:08:22,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:22,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:22,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:22,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:08:22,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:22,836 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 [2024-10-31 22:08:22,839 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-31 22:08:22,906 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 25 states and 33 transitions. Complement of second has 8 states. [2024-10-31 22:08:22,909 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 [2024-10-31 22:08:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-31 22:08:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-10-31 22:08:22,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2024-10-31 22:08:22,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2024-10-31 22:08:22,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:22,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2024-10-31 22:08:22,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:22,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2024-10-31 22:08:22,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:08:22,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 13 states and 18 transitions. [2024-10-31 22:08:22,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:08:22,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:08:22,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2024-10-31 22:08:22,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:22,926 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-31 22:08:22,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2024-10-31 22:08:22,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-31 22:08:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2024-10-31 22:08:22,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-31 22:08:22,958 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2024-10-31 22:08:22,958 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:22,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2024-10-31 22:08:22,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:08:22,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:22,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:22,960 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:08:22,960 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:08:22,961 INFO L745 eck$LassoCheckResult]: Stem: 222#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 223#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 224#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 221#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 214#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 215#L20 [2024-10-31 22:08:22,961 INFO L747 eck$LassoCheckResult]: Loop: 215#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 218#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 219#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 226#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 215#L20 [2024-10-31 22:08:22,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2024-10-31 22:08:22,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:22,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516548192] [2024-10-31 22:08:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:23,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:08:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:23,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:23,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516548192] [2024-10-31 22:08:23,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516548192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:23,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:23,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:23,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371547609] [2024-10-31 22:08:23,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:23,307 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:23,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1526457, now seen corresponding path program 1 times [2024-10-31 22:08:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:23,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574138884] [2024-10-31 22:08:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:23,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:23,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:23,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:23,614 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-10-31 22:08:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:23,654 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2024-10-31 22:08:23,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2024-10-31 22:08:23,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:23,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 22 transitions. [2024-10-31 22:08:23,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:08:23,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:08:23,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2024-10-31 22:08:23,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:23,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-10-31 22:08:23,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2024-10-31 22:08:23,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-10-31 22:08:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-10-31 22:08:23,663 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-10-31 22:08:23,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:23,665 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-10-31 22:08:23,665 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:08:23,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2024-10-31 22:08:23,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:23,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:23,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:23,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2024-10-31 22:08:23,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1] [2024-10-31 22:08:23,668 INFO L745 eck$LassoCheckResult]: Stem: 263#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 264#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 260#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 261#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 258#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 259#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 262#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 269#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 266#L20 [2024-10-31 22:08:23,669 INFO L747 eck$LassoCheckResult]: Loop: 266#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 267#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 265#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 256#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 257#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 270#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 271#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 266#L20 [2024-10-31 22:08:23,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:23,669 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2024-10-31 22:08:23,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:23,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119875678] [2024-10-31 22:08:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:23,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:23,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1770012235, now seen corresponding path program 1 times [2024-10-31 22:08:23,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:23,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552036774] [2024-10-31 22:08:23,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:23,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:23,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 1 times [2024-10-31 22:08:23,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:23,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673512092] [2024-10-31 22:08:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:23,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:23,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:25,781 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:25,781 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:25,781 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:25,781 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:25,782 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:25,782 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:25,782 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:25,782 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:25,782 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration3_Lasso [2024-10-31 22:08:25,782 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:25,782 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:25,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:25,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:26,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:26,659 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:26,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:27,173 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:27,176 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:27,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,179 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:08:27,180 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 [2024-10-31 22:08:27,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:27,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:27,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:27,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:08:27,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,209 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:08:27,211 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 [2024-10-31 22:08:27,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:08:27,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,252 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:08:27,254 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 [2024-10-31 22:08:27,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,291 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:08:27,293 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 [2024-10-31 22:08:27,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,328 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,349 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:08:27,353 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 [2024-10-31 22:08:27,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,385 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:08:27,387 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 [2024-10-31 22:08:27,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,407 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 22:08:27,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,429 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:08:27,432 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 [2024-10-31 22:08:27,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,455 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:08:27,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,470 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:08:27,474 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 [2024-10-31 22:08:27,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:08:27,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,512 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:08:27,514 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 [2024-10-31 22:08:27,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,567 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:08:27,592 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 [2024-10-31 22:08:27,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,617 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:27,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,638 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:08:27,641 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 [2024-10-31 22:08:27,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:27,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:27,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:27,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:27,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:27,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:27,666 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:27,685 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:08:27,686 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-31 22:08:27,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:27,688 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:27,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:08:27,692 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:27,708 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:08:27,708 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:27,708 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem6#1) = -2*ULTIMATE.start_main_#t~mem6#1 + 1 Supporting invariants [] [2024-10-31 22:08:27,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:27,907 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2024-10-31 22:08:27,908 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem6 [2024-10-31 22:08:27,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:27,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:27,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:28,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:08:28,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:28,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 22:08:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:08:28,110 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 [2024-10-31 22:08:28,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 22:08:28,134 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 41 transitions. Complement of second has 5 states. [2024-10-31 22:08:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-31 22:08:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-10-31 22:08:28,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 7 letters. [2024-10-31 22:08:28,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:28,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 15 letters. Loop has 7 letters. [2024-10-31 22:08:28,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:28,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 14 letters. [2024-10-31 22:08:28,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:28,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2024-10-31 22:08:28,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-10-31 22:08:28,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 41 transitions. [2024-10-31 22:08:28,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-31 22:08:28,140 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-31 22:08:28,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 41 transitions. [2024-10-31 22:08:28,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:28,141 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 41 transitions. [2024-10-31 22:08:28,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 41 transitions. [2024-10-31 22:08:28,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-10-31 22:08:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 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) [2024-10-31 22:08:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2024-10-31 22:08:28,144 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-10-31 22:08:28,145 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2024-10-31 22:08:28,145 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:08:28,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2024-10-31 22:08:28,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-10-31 22:08:28,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:28,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:28,147 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-31 22:08:28,147 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:28,147 INFO L745 eck$LassoCheckResult]: Stem: 523#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 524#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 525#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 521#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 518#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 519#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 522#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 537#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 536#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 517#L24-2 [2024-10-31 22:08:28,147 INFO L747 eck$LassoCheckResult]: Loop: 517#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 520#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 516#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 517#L24-2 [2024-10-31 22:08:28,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:28,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321583, now seen corresponding path program 2 times [2024-10-31 22:08:28,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:28,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908871649] [2024-10-31 22:08:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:28,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:28,202 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 2 times [2024-10-31 22:08:28,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:28,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714590491] [2024-10-31 22:08:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:28,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:28,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:28,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1467212283, now seen corresponding path program 3 times [2024-10-31 22:08:28,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:28,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472314455] [2024-10-31 22:08:28,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:28,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:28,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:29,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:30,536 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:30,536 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:30,536 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:30,536 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:30,536 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:30,536 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:30,536 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:30,537 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:30,537 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration4_Lasso [2024-10-31 22:08:30,537 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:30,537 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:30,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:30,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:31,825 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:31,825 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:31,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,829 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:08:31,831 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 [2024-10-31 22:08:31,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:31,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:31,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:31,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:31,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:31,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:31,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:31,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:31,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:08:31,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,865 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:08:31,867 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 [2024-10-31 22:08:31,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:31,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:31,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:31,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:31,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:31,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:31,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:31,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:31,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 22:08:31,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,906 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:08:31,908 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 [2024-10-31 22:08:31,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:31,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:31,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:31,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:31,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:31,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:31,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:31,924 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:31,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-31 22:08:31,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,939 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:08:31,941 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 [2024-10-31 22:08:31,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:31,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:31,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:31,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:31,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:31,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:31,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:31,958 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:31,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 22:08:31,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:31,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:31,975 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:31,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:08:31,977 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 [2024-10-31 22:08:31,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:31,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:31,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:31,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:31,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:31,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:31,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:31,994 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:08:32,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,010 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:08:32,014 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 [2024-10-31 22:08:32,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,034 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:32,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,050 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:08:32,052 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 [2024-10-31 22:08:32,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 22:08:32,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,102 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:08:32,104 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 [2024-10-31 22:08:32,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:32,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,140 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:08:32,143 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 [2024-10-31 22:08:32,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-10-31 22:08:32,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,188 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:08:32,189 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 [2024-10-31 22:08:32,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-31 22:08:32,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,231 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:08:32,236 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 [2024-10-31 22:08:32,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,262 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:32,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,287 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:08:32,289 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 [2024-10-31 22:08:32,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,312 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:32,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,328 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:08:32,330 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 [2024-10-31 22:08:32,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:32,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:32,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,368 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:08:32,370 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 [2024-10-31 22:08:32,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:32,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:32,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:32,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:32,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:32,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:32,396 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:32,412 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-31 22:08:32,412 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-31 22:08:32,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:32,414 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:32,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:08:32,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:32,431 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:08:32,431 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:32,431 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_3) = -2*v_rep(select (select #memory_int#3 ULTIMATE.start_main_~x0~0#1.base) ULTIMATE.start_main_~x0~0#1.offset)_3 + 1 Supporting invariants [] [2024-10-31 22:08:32,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:32,627 INFO L156 tatePredicateManager]: 35 out of 35 supporting invariants were superfluous and have been removed [2024-10-31 22:08:32,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-10-31 22:08:32,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-10-31 22:08:32,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~x0~0!base,]]] [2024-10-31 22:08:32,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:32,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:32,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:32,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:08:32,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:32,761 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 [2024-10-31 22:08:32,761 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-31 22:08:32,801 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 36 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 61 states and 76 transitions. Complement of second has 7 states. [2024-10-31 22:08:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-10-31 22:08:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-10-31 22:08:32,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 3 letters. [2024-10-31 22:08:32,804 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:32,804 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 3 letters. [2024-10-31 22:08:32,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:32,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 6 letters. [2024-10-31 22:08:32,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:32,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2024-10-31 22:08:32,811 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2024-10-31 22:08:32,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 64 transitions. [2024-10-31 22:08:32,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-31 22:08:32,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2024-10-31 22:08:32,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 64 transitions. [2024-10-31 22:08:32,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:32,816 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 64 transitions. [2024-10-31 22:08:32,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 64 transitions. [2024-10-31 22:08:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2024-10-31 22:08:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 46 states have internal predecessors, (60), 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) [2024-10-31 22:08:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions. [2024-10-31 22:08:32,824 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 60 transitions. [2024-10-31 22:08:32,824 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 60 transitions. [2024-10-31 22:08:32,824 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:08:32,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 60 transitions. [2024-10-31 22:08:32,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2024-10-31 22:08:32,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:32,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:32,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-31 22:08:32,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1] [2024-10-31 22:08:32,831 INFO L745 eck$LassoCheckResult]: Stem: 811#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 812#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 815#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 840#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 805#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 806#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 839#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 835#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 830#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 831#L24 [2024-10-31 22:08:32,831 INFO L747 eck$LassoCheckResult]: Loop: 831#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 845#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 844#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 843#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 838#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 842#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 836#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 837#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 831#L24 [2024-10-31 22:08:32,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1269321585, now seen corresponding path program 1 times [2024-10-31 22:08:32,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:32,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208204332] [2024-10-31 22:08:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:32,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-31 22:08:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:08:33,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:33,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208204332] [2024-10-31 22:08:33,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208204332] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:33,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:33,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:33,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584141344] [2024-10-31 22:08:33,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:33,043 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:33,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:33,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1088312668, now seen corresponding path program 1 times [2024-10-31 22:08:33,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:33,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451116405] [2024-10-31 22:08:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:33,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:33,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:33,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:33,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:33,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:33,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:33,545 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. cyclomatic complexity: 20 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:33,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:33,574 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2024-10-31 22:08:33,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 49 transitions. [2024-10-31 22:08:33,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2024-10-31 22:08:33,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 49 transitions. [2024-10-31 22:08:33,577 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-10-31 22:08:33,577 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-10-31 22:08:33,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 49 transitions. [2024-10-31 22:08:33,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:33,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-10-31 22:08:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 49 transitions. [2024-10-31 22:08:33,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-31 22:08:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.225) internal successors, (49), 39 states have internal predecessors, (49), 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) [2024-10-31 22:08:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2024-10-31 22:08:33,584 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-10-31 22:08:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:33,585 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 49 transitions. [2024-10-31 22:08:33,585 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:08:33,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 49 transitions. [2024-10-31 22:08:33,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2024-10-31 22:08:33,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:33,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:33,587 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1] [2024-10-31 22:08:33,587 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:33,588 INFO L745 eck$LassoCheckResult]: Stem: 907#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 908#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 912#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 932#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 933#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 931#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 929#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 926#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 913#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 914#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 935#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 901#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 902#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 910#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 911#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 915#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 900#L24-2 [2024-10-31 22:08:33,588 INFO L747 eck$LassoCheckResult]: Loop: 900#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 934#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 899#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 900#L24-2 [2024-10-31 22:08:33,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:33,589 INFO L85 PathProgramCache]: Analyzing trace with hash -697316797, now seen corresponding path program 4 times [2024-10-31 22:08:33,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:33,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687665996] [2024-10-31 22:08:33,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:33,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 22:08:33,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:33,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687665996] [2024-10-31 22:08:33,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687665996] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:08:33,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526555135] [2024-10-31 22:08:33,835 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:08:33,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:33,838 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:08:33,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-31 22:08:33,963 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:08:33,963 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:08:33,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:33,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:33,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 22:08:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-31 22:08:34,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:08:34,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526555135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:34,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:08:34,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-10-31 22:08:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891986997] [2024-10-31 22:08:34,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:34,014 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:34,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 3 times [2024-10-31 22:08:34,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:34,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416810581] [2024-10-31 22:08:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:34,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:34,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:34,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:08:34,132 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-10-31 22:08:34,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:34,163 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2024-10-31 22:08:34,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2024-10-31 22:08:34,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2024-10-31 22:08:34,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 36 transitions. [2024-10-31 22:08:34,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-10-31 22:08:34,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2024-10-31 22:08:34,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 36 transitions. [2024-10-31 22:08:34,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:34,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-10-31 22:08:34,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 36 transitions. [2024-10-31 22:08:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-10-31 22:08:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 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) [2024-10-31 22:08:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-10-31 22:08:34,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-10-31 22:08:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:34,170 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-10-31 22:08:34,170 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 22:08:34,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 35 transitions. [2024-10-31 22:08:34,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2024-10-31 22:08:34,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:34,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:34,172 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1] [2024-10-31 22:08:34,172 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2024-10-31 22:08:34,172 INFO L745 eck$LassoCheckResult]: Stem: 1036#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1037#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1040#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1035#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1030#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1031#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1034#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1057#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1041#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1042#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1038#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1039#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1049#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1046#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1045#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1044#L20 [2024-10-31 22:08:34,174 INFO L747 eck$LassoCheckResult]: Loop: 1044#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1043#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1032#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1033#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1028#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1029#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1056#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1055#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1054#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1053#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1052#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1051#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1047#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1048#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1050#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1044#L20 [2024-10-31 22:08:34,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:34,175 INFO L85 PathProgramCache]: Analyzing trace with hash -161041423, now seen corresponding path program 5 times [2024-10-31 22:08:34,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:34,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022903832] [2024-10-31 22:08:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:34,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:34,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash -97586480, now seen corresponding path program 1 times [2024-10-31 22:08:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:34,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549092938] [2024-10-31 22:08:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:34,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:34,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:34,266 INFO L85 PathProgramCache]: Analyzing trace with hash 569106656, now seen corresponding path program 1 times [2024-10-31 22:08:34,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:34,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798059872] [2024-10-31 22:08:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:34,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:37,814 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:37,814 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:37,814 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:37,814 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:37,815 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:37,815 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:37,815 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:37,815 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:37,815 INFO L132 ssoRankerPreferences]: Filename of dumped script: 4BitCounterPointer.c_Iteration7_Lasso [2024-10-31 22:08:37,815 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:37,815 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:37,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:37,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:37,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:38,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:38,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:39,317 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:39,317 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:39,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:39,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:39,322 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:39,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:08:39,328 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 [2024-10-31 22:08:39,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:39,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:39,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:39,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:39,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:39,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:39,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:39,346 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:39,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:39,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:39,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:39,367 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:39,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:08:39,370 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 [2024-10-31 22:08:39,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:39,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:39,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:39,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:39,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:39,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:39,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:39,384 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:39,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-31 22:08:39,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:39,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:39,399 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:39,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:08:39,400 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 [2024-10-31 22:08:39,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:39,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:39,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:39,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:39,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:39,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:39,421 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:39,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-31 22:08:39,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:39,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:39,435 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:39,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:08:39,436 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 [2024-10-31 22:08:39,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:39,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:39,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:39,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:39,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:39,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:39,455 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:39,461 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-10-31 22:08:39,461 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-10-31 22:08:39,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:39,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:39,462 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:39,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:08:39,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:39,476 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:08:39,476 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:39,476 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_4) = -2*v_rep(select (select #memory_int#2 ULTIMATE.start_main_~x2~0#1.base) ULTIMATE.start_main_~x2~0#1.offset)_4 + 1 Supporting invariants [] [2024-10-31 22:08:39,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 22:08:39,633 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2024-10-31 22:08:39,634 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-31 22:08:39,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-31 22:08:39,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~x2~0!base,]]] [2024-10-31 22:08:39,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:39,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 22:08:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:39,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:39,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:39,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:08:39,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:39,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-10-31 22:08:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-31 22:08:39,870 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 22:08:39,871 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:39,901 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 35 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 77 transitions. Complement of second has 7 states. [2024-10-31 22:08:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2024-10-31 22:08:39,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 15 letters. [2024-10-31 22:08:39,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:39,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 30 letters. Loop has 15 letters. [2024-10-31 22:08:39,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:39,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 30 letters. [2024-10-31 22:08:39,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:39,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 77 transitions. [2024-10-31 22:08:39,906 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2024-10-31 22:08:39,907 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 65 states and 77 transitions. [2024-10-31 22:08:39,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-10-31 22:08:39,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-10-31 22:08:39,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 77 transitions. [2024-10-31 22:08:39,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:39,908 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2024-10-31 22:08:39,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 77 transitions. [2024-10-31 22:08:39,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-10-31 22:08:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 64 states have internal predecessors, (77), 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) [2024-10-31 22:08:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2024-10-31 22:08:39,914 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 77 transitions. [2024-10-31 22:08:39,914 INFO L425 stractBuchiCegarLoop]: Abstraction has 65 states and 77 transitions. [2024-10-31 22:08:39,914 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 22:08:39,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 77 transitions. [2024-10-31 22:08:39,915 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2024-10-31 22:08:39,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:39,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:39,916 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 22:08:39,916 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 2, 2, 1, 1, 1] [2024-10-31 22:08:39,917 INFO L745 eck$LassoCheckResult]: Stem: 1396#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1397#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1402#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1400#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1401#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1436#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1435#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1434#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1433#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1394#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1395#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1391#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1392#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1441#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1423#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1424#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1407#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1408#L24-2 [2024-10-31 22:08:39,917 INFO L747 eck$LassoCheckResult]: Loop: 1408#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1442#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1440#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1438#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1439#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1437#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1403#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1404#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1398#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1399#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1444#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1445#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1443#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1419#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1420#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1408#L24-2 [2024-10-31 22:08:39,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash -141984138, now seen corresponding path program 1 times [2024-10-31 22:08:39,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:39,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266660341] [2024-10-31 22:08:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:08:40,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:40,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266660341] [2024-10-31 22:08:40,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266660341] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:40,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:40,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:40,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463845895] [2024-10-31 22:08:40,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:40,051 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:40,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1365622390, now seen corresponding path program 2 times [2024-10-31 22:08:40,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:40,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692132648] [2024-10-31 22:08:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:40,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:40,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:40,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:40,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:40,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:40,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:40,883 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. cyclomatic complexity: 19 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:40,908 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2024-10-31 22:08:40,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 97 transitions. [2024-10-31 22:08:40,909 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2024-10-31 22:08:40,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 76 states and 88 transitions. [2024-10-31 22:08:40,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2024-10-31 22:08:40,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2024-10-31 22:08:40,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 76 states and 88 transitions. [2024-10-31 22:08:40,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:40,911 INFO L218 hiAutomatonCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-10-31 22:08:40,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states and 88 transitions. [2024-10-31 22:08:40,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2024-10-31 22:08:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.162162162162162) internal successors, (86), 73 states have internal predecessors, (86), 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) [2024-10-31 22:08:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2024-10-31 22:08:40,920 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 86 transitions. [2024-10-31 22:08:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:40,922 INFO L425 stractBuchiCegarLoop]: Abstraction has 74 states and 86 transitions. [2024-10-31 22:08:40,922 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 22:08:40,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 86 transitions. [2024-10-31 22:08:40,924 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 36 [2024-10-31 22:08:40,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:40,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:40,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 1, 1, 1, 1, 1] [2024-10-31 22:08:40,925 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:08:40,925 INFO L745 eck$LassoCheckResult]: Stem: 1555#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1556#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1558#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1582#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1549#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1550#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1584#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1587#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1586#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1585#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1583#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1577#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1578#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1574#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1573#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1566#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1564#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1565#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1572#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1618#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1613#L24-2 [2024-10-31 22:08:40,925 INFO L747 eck$LassoCheckResult]: Loop: 1613#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1616#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1612#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1613#L24-2 [2024-10-31 22:08:40,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,926 INFO L85 PathProgramCache]: Analyzing trace with hash 693278934, now seen corresponding path program 2 times [2024-10-31 22:08:40,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:40,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090472419] [2024-10-31 22:08:40,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:40,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:40,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,054 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 4 times [2024-10-31 22:08:41,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978187465] [2024-10-31 22:08:41,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1024996556, now seen corresponding path program 3 times [2024-10-31 22:08:41,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909096853] [2024-10-31 22:08:41,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:08:41,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909096853] [2024-10-31 22:08:41,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909096853] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:08:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005689986] [2024-10-31 22:08:41,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:08:41,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:41,391 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:08:41,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-10-31 22:08:41,534 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-31 22:08:41,534 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:08:41,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:08:41,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:41,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 22:08:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-10-31 22:08:41,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:08:41,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005689986] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:41,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:08:41,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-10-31 22:08:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58821963] [2024-10-31 22:08:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:41,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:41,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:08:41,650 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. cyclomatic complexity: 18 Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-31 22:08:41,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:41,676 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2024-10-31 22:08:41,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 80 transitions. [2024-10-31 22:08:41,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2024-10-31 22:08:41,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 74 states and 76 transitions. [2024-10-31 22:08:41,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2024-10-31 22:08:41,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 53 [2024-10-31 22:08:41,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 76 transitions. [2024-10-31 22:08:41,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:41,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-10-31 22:08:41,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 76 transitions. [2024-10-31 22:08:41,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2024-10-31 22:08:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 67 states have internal predecessors, (70), 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) [2024-10-31 22:08:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2024-10-31 22:08:41,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 70 transitions. [2024-10-31 22:08:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:41,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 68 states and 70 transitions. [2024-10-31 22:08:41,692 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 22:08:41,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 70 transitions. [2024-10-31 22:08:41,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2024-10-31 22:08:41,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:41,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:41,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 4, 4, 2, 2, 1, 1, 1, 1] [2024-10-31 22:08:41,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [8, 8, 4, 4, 2, 2, 1, 1] [2024-10-31 22:08:41,695 INFO L745 eck$LassoCheckResult]: Stem: 1786#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1787#L-1 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~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_~x0~0#1.base, main_~x0~0#1.offset, main_~x1~0#1.base, main_~x1~0#1.offset, main_~x2~0#1.base, main_~x2~0#1.offset, main_~x3~0#1.base, main_~x3~0#1.offset;call main_#t~malloc0#1.base, main_#t~malloc0#1.offset := #Ultimate.allocOnStack(4);main_~x0~0#1.base, main_~x0~0#1.offset := main_#t~malloc0#1.base, main_#t~malloc0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnStack(4);main_~x1~0#1.base, main_~x1~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x2~0#1.base, main_~x2~0#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_~x3~0#1.base, main_~x3~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(0, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1789#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1812#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1811#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1810#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1809#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1808#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1807#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1784#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1785#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1780#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1781#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1804#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1798#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1796#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1794#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1795#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1803#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1820#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1818#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1816#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1813#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1790#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1782#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1783#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1788#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1819#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1817#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1814#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1815#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1792#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1793#L24-2 [2024-10-31 22:08:41,695 INFO L747 eck$LassoCheckResult]: Loop: 1793#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1821#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1844#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1842#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1840#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1838#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1836#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1834#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1832#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1778#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1779#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1828#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1826#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1805#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1806#L24 assume 0 == main_#t~mem7#1;havoc main_#t~mem7#1;call write~int#2(1, main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1822#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1845#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1843#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1841#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1839#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1837#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1835#L20 assume 0 == main_#t~mem6#1;havoc main_#t~mem6#1;call write~int#1(1, main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1833#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1831#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1830#L16 assume 0 == main_#t~mem5#1;havoc main_#t~mem5#1;call write~int#3(1, main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1829#L24-2 call main_#t~mem4#1 := read~int#0(main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1827#L15-1 assume !!(0 == main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#3(main_~x0~0#1.base, main_~x0~0#1.offset, 4); 1825#L16 assume !(0 == main_#t~mem5#1);havoc main_#t~mem5#1;call write~int#3(0, main_~x0~0#1.base, main_~x0~0#1.offset, 4);call main_#t~mem6#1 := read~int#1(main_~x1~0#1.base, main_~x1~0#1.offset, 4); 1824#L20 assume !(0 == main_#t~mem6#1);havoc main_#t~mem6#1;call write~int#1(0, main_~x1~0#1.base, main_~x1~0#1.offset, 4);call main_#t~mem7#1 := read~int#2(main_~x2~0#1.base, main_~x2~0#1.offset, 4); 1823#L24 assume !(0 == main_#t~mem7#1);havoc main_#t~mem7#1;call write~int#2(0, main_~x2~0#1.base, main_~x2~0#1.offset, 4);call write~int#0(1, main_~x3~0#1.base, main_~x3~0#1.offset, 4); 1793#L24-2 [2024-10-31 22:08:41,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1450650533, now seen corresponding path program 1 times [2024-10-31 22:08:41,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410001556] [2024-10-31 22:08:41,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1011439773, now seen corresponding path program 1 times [2024-10-31 22:08:41,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799704339] [2024-10-31 22:08:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,803 INFO L85 PathProgramCache]: Analyzing trace with hash 783342599, now seen corresponding path program 2 times [2024-10-31 22:08:41,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695413236] [2024-10-31 22:08:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 227 proven. 20 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-31 22:08:42,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:42,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695413236] [2024-10-31 22:08:42,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695413236] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:08:42,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982242279] [2024-10-31 22:08:42,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:08:42,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:42,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:42,411 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:08:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-10-31 22:08:42,693 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:08:42,693 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:08:42,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:08:42,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:42,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 22:08:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 223 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-10-31 22:08:42,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:08:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 223 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-10-31 22:08:42,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982242279] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:08:42,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:08:42,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2024-10-31 22:08:42,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052689498] [2024-10-31 22:08:42,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:08:46,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:46,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:08:46,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:08:46,406 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2024-10-31 22:08:46,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:46,466 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2024-10-31 22:08:46,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 40 transitions. [2024-10-31 22:08:46,467 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:08:46,467 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2024-10-31 22:08:46,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:08:46,467 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:08:46,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:08:46,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:46,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:46,468 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:08:46,468 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:08:46,468 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 22:08:46,469 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:08:46,469 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:08:46,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:08:46,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:08:46 BoogieIcfgContainer [2024-10-31 22:08:46,478 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:08:46,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:46,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:46,479 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:46,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:17" (3/4) ... [2024-10-31 22:08:46,483 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:08:46,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:46,485 INFO L158 Benchmark]: Toolchain (without parser) took 29870.14ms. Allocated memory was 134.2MB in the beginning and 239.1MB in the end (delta: 104.9MB). Free memory was 93.6MB in the beginning and 68.5MB in the end (delta: 25.1MB). Peak memory consumption was 131.9MB. Max. memory is 16.1GB. [2024-10-31 22:08:46,485 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 134.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:46,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.28ms. Allocated memory is still 134.2MB. Free memory was 93.6MB in the beginning and 81.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:08:46,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.79ms. Allocated memory is still 134.2MB. Free memory was 81.9MB in the beginning and 80.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:46,487 INFO L158 Benchmark]: Boogie Preprocessor took 55.96ms. Allocated memory is still 134.2MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:46,487 INFO L158 Benchmark]: RCFGBuilder took 422.12ms. Allocated memory is still 134.2MB. Free memory was 78.3MB in the beginning and 65.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:08:46,488 INFO L158 Benchmark]: BuchiAutomizer took 29100.69ms. Allocated memory was 134.2MB in the beginning and 239.1MB in the end (delta: 104.9MB). Free memory was 65.2MB in the beginning and 68.5MB in the end (delta: -3.3MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2024-10-31 22:08:46,488 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 239.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:46,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 134.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.28ms. Allocated memory is still 134.2MB. Free memory was 93.6MB in the beginning and 81.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.79ms. Allocated memory is still 134.2MB. Free memory was 81.9MB in the beginning and 80.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.96ms. Allocated memory is still 134.2MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.12ms. Allocated memory is still 134.2MB. Free memory was 78.3MB in the beginning and 65.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 29100.69ms. Allocated memory was 134.2MB in the beginning and 239.1MB in the end (delta: 104.9MB). Free memory was 65.2MB in the beginning and 68.5MB in the end (delta: -3.3MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 239.1MB. Free memory is still 68.5MB. 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: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~x0~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem6 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~x0~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~x2~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (6 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.0s and 11 iterations. TraceHistogramMax:8. Analysis of lassos took 27.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 19 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 22/22 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 93 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital270 mio100 ax100 hnf100 lsp100 ukn73 mio100 lsp24 div100 bol100 ite100 ukn100 eq165 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms VariablesStem: 2 VariablesLoop: 2 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! [2024-10-31 22:08:46,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-10-31 22:08:46,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-10-31 22:08:46,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_482e9d27-cdfe-46e5-8306-e9c326629b3d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE