./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/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_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/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 32bit --witnessprinter.graph.data.programhash 71679b2a85162a2bf4315b62ab1893b5cfd06e20fc9e264973bd31bc9d08e300 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:38,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:38,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:18:38,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:38,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:38,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:38,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:38,474 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:38,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:38,476 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:38,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:38,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:38,480 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:38,480 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:18:38,481 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:18:38,484 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:18:38,485 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:18:38,485 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:18:38,486 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:18:38,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:38,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:18:38,487 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:38,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:38,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:38,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:38,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:18:38,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:18:38,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:18:38,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:38,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:38,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:38,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:38,493 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:18:38,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:38,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:38,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:38,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:38,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:38,495 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:18:38,496 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_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71679b2a85162a2bf4315b62ab1893b5cfd06e20fc9e264973bd31bc9d08e300 [2024-10-31 22:18:38,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:38,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:38,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:38,908 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:38,909 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:38,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i Unable to find full path for "g++" [2024-10-31 22:18:40,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:18:41,176 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:18:41,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2024-10-31 22:18:41,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/data/529e037d3/c5f8e75429b24c5ab3b1ccccaec3daec/FLAGbb4b88063 [2024-10-31 22:18:41,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/data/529e037d3/c5f8e75429b24c5ab3b1ccccaec3daec [2024-10-31 22:18:41,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:18:41,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:18:41,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:41,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:18:41,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:18:41,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6040fc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41, skipping insertion in model container [2024-10-31 22:18:41,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:18:41,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:41,679 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:18:41,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:18:41,778 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:18:41,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41 WrapperNode [2024-10-31 22:18:41,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:18:41,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:41,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:18:41,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:18:41,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,830 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-10-31 22:18:41,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:18:41,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:18:41,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:18:41,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:18:41,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,868 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 22:18:41,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:18:41,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:18:41,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:18:41,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:18:41,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (1/1) ... [2024-10-31 22:18:41,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:41,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:41,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:18:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:18:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:18:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:18:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:18:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:18:41,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:18:42,064 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:18:42,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:18:42,273 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-31 22:18:42,273 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:18:42,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:18:42,286 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:18:42,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:42 BoogieIcfgContainer [2024-10-31 22:18:42,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:18:42,287 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:18:42,287 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:18:42,292 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:18:42,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:18:42,293 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:18:41" (1/3) ... [2024-10-31 22:18:42,294 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6600333f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:18:42, skipping insertion in model container [2024-10-31 22:18:42,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:18:42,295 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:18:41" (2/3) ... [2024-10-31 22:18:42,295 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6600333f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:18:42, skipping insertion in model container [2024-10-31 22:18:42,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:18:42,296 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:42" (3/3) ... [2024-10-31 22:18:42,297 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrchr-alloca-2.i [2024-10-31 22:18:42,374 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:18:42,375 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:18:42,375 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:18:42,376 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:18:42,377 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:18:42,377 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:18:42,377 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:18:42,379 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:18:42,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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 22:18:42,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 22:18:42,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:42,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:42,418 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:18:42,418 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:18:42,419 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:18:42,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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 22:18:42,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 22:18:42,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:42,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:42,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:18:42,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:18:42,432 INFO L745 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 14#L522true assume !(main_~length~0#1 < 1); 9#L522-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 6#L527-3true [2024-10-31 22:18:42,433 INFO L747 eck$LassoCheckResult]: Loop: 6#L527-3true assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 11#L527-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 6#L527-3true [2024-10-31 22:18:42,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2024-10-31 22:18:42,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:42,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080861121] [2024-10-31 22:18:42,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:42,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:42,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:42,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:42,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:42,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2024-10-31 22:18:42,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:42,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128768137] [2024-10-31 22:18:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:42,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:42,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:42,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:42,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:42,717 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2024-10-31 22:18:42,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:42,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391539556] [2024-10-31 22:18:42,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:42,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:42,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:42,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:43,147 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:43,148 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:43,148 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:43,148 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:43,148 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:43,149 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:43,149 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:43,149 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:43,149 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration1_Lasso [2024-10-31 22:18:43,150 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:43,150 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:43,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:43,756 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:43,761 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:43,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:43,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:43,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:43,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:18:43,771 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 22:18:43,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:43,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:43,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:43,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:43,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:43,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:43,798 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:43,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:43,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:43,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:43,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:43,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:18:43,825 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 22:18:43,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:43,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:43,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:43,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:43,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:43,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:43,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:43,852 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:43,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:18:43,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:43,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:43,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:43,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:18:43,878 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 22:18:43,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:43,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:43,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:43,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:43,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:43,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:43,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:43,897 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:43,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:18:43,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:43,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:43,919 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:43,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:18:43,925 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 22:18:43,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:43,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:43,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:43,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:43,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:43,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:43,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:43,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:18:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:43,971 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:43,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:18:43,975 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 22:18:43,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:43,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:43,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:43,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:43,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:43,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:43,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:43,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:44,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:44,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:44,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:44,013 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:44,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:18:44,017 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 22:18:44,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:44,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:44,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:44,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:44,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:44,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:44,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:44,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:18:44,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:44,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:44,073 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:44,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:18:44,079 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 22:18:44,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:44,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:44,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:44,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:44,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:44,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:44,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:44,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:18:44,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:44,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:44,129 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:44,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:18:44,137 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 22:18:44,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:44,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:44,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:44,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:44,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:44,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:44,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:44,217 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 22:18:44,217 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-31 22:18:44,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:44,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:44,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:18:44,243 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:44,266 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:18:44,266 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:44,267 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0#1.offset >= 0] [2024-10-31 22:18:44,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:44,308 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2024-10-31 22:18:44,329 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:18:44,329 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:18:44,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:44,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:18:44,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:44,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:18:44,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:44,460 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 22:18:44,505 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 22:18:44,508 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 22:18:44,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 26 states and 36 transitions. Complement of second has 6 states. [2024-10-31 22:18:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:18:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 22:18:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-10-31 22:18:44,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:18:44,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:44,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:18:44,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:44,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-31 22:18:44,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:44,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 36 transitions. [2024-10-31 22:18:44,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:18:44,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 11 states and 15 transitions. [2024-10-31 22:18:44,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-10-31 22:18:44,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-31 22:18:44,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2024-10-31 22:18:44,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:44,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-10-31 22:18:44,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2024-10-31 22:18:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-31 22:18:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) 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 22:18:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2024-10-31 22:18:44,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-10-31 22:18:44,652 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2024-10-31 22:18:44,652 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:18:44,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2024-10-31 22:18:44,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:18:44,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:44,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:44,654 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:18:44,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:18:44,654 INFO L745 eck$LassoCheckResult]: Stem: 111#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 112#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 114#L522 assume !(main_~length~0#1 < 1); 107#L522-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 108#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 113#L527-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet11#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet11#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 104#L516-5 [2024-10-31 22:18:44,655 INFO L747 eck$LassoCheckResult]: Loop: 104#L516-5 call cstrchr_#t~mem2#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 105#L516-1 assume !cstrchr_#t~short4#1; 106#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset; 104#L516-5 [2024-10-31 22:18:44,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,655 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2024-10-31 22:18:44,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986792267] [2024-10-31 22:18:44,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:44,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:44,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:44,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash 57761, now seen corresponding path program 1 times [2024-10-31 22:18:44,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165107770] [2024-10-31 22:18:44,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:44,746 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 22:18:44,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:44,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165107770] [2024-10-31 22:18:44,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165107770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:44,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:44,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:18:44,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971766525] [2024-10-31 22:18:44,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:44,751 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:18:44,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:44,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:18:44,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:18:44,756 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 22:18:44,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:44,775 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2024-10-31 22:18:44,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2024-10-31 22:18:44,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:18:44,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 14 transitions. [2024-10-31 22:18:44,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:18:44,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-31 22:18:44,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2024-10-31 22:18:44,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:44,778 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-31 22:18:44,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2024-10-31 22:18:44,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-31 22:18:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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 22:18:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2024-10-31 22:18:44,780 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-31 22:18:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:18:44,781 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2024-10-31 22:18:44,781 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:18:44,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2024-10-31 22:18:44,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:18:44,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:44,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:44,783 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:18:44,783 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:18:44,783 INFO L745 eck$LassoCheckResult]: Stem: 140#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 143#L522 assume !(main_~length~0#1 < 1); 136#L522-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 137#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 142#L527-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet11#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet11#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 133#L516-5 [2024-10-31 22:18:44,783 INFO L747 eck$LassoCheckResult]: Loop: 133#L516-5 call cstrchr_#t~mem2#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 134#L516-1 assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 135#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset; 133#L516-5 [2024-10-31 22:18:44,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2024-10-31 22:18:44,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801756461] [2024-10-31 22:18:44,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:44,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:44,814 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:44,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 1 times [2024-10-31 22:18:44,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327586502] [2024-10-31 22:18:44,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:44,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:44,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:44,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1183926615, now seen corresponding path program 1 times [2024-10-31 22:18:44,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:44,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453753010] [2024-10-31 22:18:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:44,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:45,310 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 22:18:45,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:18:45,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453753010] [2024-10-31 22:18:45,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453753010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:18:45,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:18:45,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:18:45,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144067223] [2024-10-31 22:18:45,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:18:45,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:18:45,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:18:45,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:18:45,538 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:18:45,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:18:45,601 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-10-31 22:18:45,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-10-31 22:18:45,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:18:45,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 14 transitions. [2024-10-31 22:18:45,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:18:45,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-10-31 22:18:45,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2024-10-31 22:18:45,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:45,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2024-10-31 22:18:45,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2024-10-31 22:18:45,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-10-31 22:18:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 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 22:18:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2024-10-31 22:18:45,607 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-10-31 22:18:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:18:45,608 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2024-10-31 22:18:45,609 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:18:45,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2024-10-31 22:18:45,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:18:45,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:18:45,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:18:45,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:18:45,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:18:45,610 INFO L745 eck$LassoCheckResult]: Stem: 180#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 181#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_#t~nondet11#1, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet7#1;main_~length~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 183#L522 assume !(main_~length~0#1 < 1); 176#L522-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 177#L527-3 assume !!(main_~i~0#1 < main_~length~0#1 - 1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet9#1; 178#L527-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 179#L527-3 assume !(main_~i~0#1 < main_~length~0#1 - 1); 182#L527-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);havoc main_#t~nondet11#1;assume { :begin_inline_cstrchr } true;cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset, cstrchr_#in~c#1 := main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_#t~nondet11#1;havoc cstrchr_#res#1.base, cstrchr_#res#1.offset;havoc cstrchr_#t~mem2#1, cstrchr_#t~mem3#1, cstrchr_#t~short4#1, cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset, cstrchr_#t~mem6#1, cstrchr_~s#1.base, cstrchr_~s#1.offset, cstrchr_~c#1;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#in~s#1.base, cstrchr_#in~s#1.offset;cstrchr_~c#1 := cstrchr_#in~c#1; 173#L516-5 [2024-10-31 22:18:45,610 INFO L747 eck$LassoCheckResult]: Loop: 173#L516-5 call cstrchr_#t~mem2#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := 0 != cstrchr_#t~mem2#1; 174#L516-1 assume cstrchr_#t~short4#1;call cstrchr_#t~mem3#1 := read~int#0(cstrchr_~s#1.base, cstrchr_~s#1.offset, 1);cstrchr_#t~short4#1 := cstrchr_#t~mem3#1 != (if cstrchr_~c#1 % 256 <= 127 then cstrchr_~c#1 % 256 else cstrchr_~c#1 % 256 - 256); 175#L516-3 assume !!cstrchr_#t~short4#1;havoc cstrchr_#t~mem2#1;havoc cstrchr_#t~mem3#1;havoc cstrchr_#t~short4#1;cstrchr_#t~post5#1.base, cstrchr_#t~post5#1.offset := cstrchr_~s#1.base, cstrchr_~s#1.offset;cstrchr_~s#1.base, cstrchr_~s#1.offset := cstrchr_#t~post5#1.base, 1 + cstrchr_#t~post5#1.offset; 173#L516-5 [2024-10-31 22:18:45,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:45,611 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2024-10-31 22:18:45,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:45,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216999283] [2024-10-31 22:18:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:45,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:45,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:45,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash 57699, now seen corresponding path program 2 times [2024-10-31 22:18:45,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:45,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387371363] [2024-10-31 22:18:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:45,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:45,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:45,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:45,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:45,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1235380661, now seen corresponding path program 1 times [2024-10-31 22:18:45,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:18:45,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152460955] [2024-10-31 22:18:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:18:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:18:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:45,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:18:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:18:45,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:18:45,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:46,255 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:18:46,255 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:18:46,255 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:18:46,255 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:18:46,255 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:18:46,255 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:46,255 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:18:46,255 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:18:46,256 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrchr-alloca-2.i_Iteration4_Lasso [2024-10-31 22:18:46,256 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:18:46,256 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:18:46,260 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:46,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:18:47,507 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:18:47,507 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:18:47,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,510 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:18:47,515 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 22:18:47,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,535 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:47,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,557 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:18:47,560 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 22:18:47,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:18:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,599 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:18:47,602 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 22:18:47,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,621 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:18:47,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:18:47,645 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 22:18:47,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:18:47,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,688 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:18:47,690 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 22:18:47,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:47,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,729 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:18:47,732 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 22:18:47,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,754 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:18:47,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,777 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:18:47,780 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 22:18:47,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:18:47,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,821 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:18:47,824 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 22:18:47,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:18:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,860 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:18:47,862 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 22:18:47,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:47,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,902 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:18:47,907 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 22:18:47,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:18:47,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:18:47,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:18:47,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:47,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,936 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:18:47,938 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 22:18:47,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:47,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:47,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:47,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:47,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:47,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:47,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:47,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:47,978 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:47,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:18:47,981 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 22:18:47,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:47,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:47,996 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-10-31 22:18:47,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:48,132 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2024-10-31 22:18:48,132 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2024-10-31 22:18:48,339 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:48,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:48,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:48,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:48,354 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:48,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:18:48,357 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 22:18:48,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:48,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:48,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:48,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:48,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:48,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:48,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:48,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:18:48,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:48,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:48,403 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:48,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:18:48,406 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 22:18:48,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:48,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:48,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:48,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:48,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:48,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:48,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:18:48,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:48,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:48,452 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:48,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:18:48,455 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 22:18:48,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:18:48,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:18:48,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:18:48,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:18:48,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:18:48,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:18:48,485 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:18:48,520 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-10-31 22:18:48,520 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 22:18:48,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:18:48,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:18:48,523 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:18:48,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:18:48,526 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:18:48,539 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:18:48,539 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:18:48,539 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrchr_~s#1.base)_1, ULTIMATE.start_cstrchr_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrchr_~s#1.base)_1 - 1*ULTIMATE.start_cstrchr_~s#1.offset Supporting invariants [] [2024-10-31 22:18:48,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:48,564 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-31 22:18:48,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-10-31 22:18:48,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:18:48,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:18:48,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:18:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:18:48,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:18:48,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:18:48,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:18:48,664 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 22:18:48,665 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 22:18:48,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 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 22:18:48,688 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. 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 14 states and 17 transitions. Complement of second has 4 states. [2024-10-31 22:18:48,688 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 22:18:48,689 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 22:18:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2024-10-31 22:18:48,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2024-10-31 22:18:48,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:48,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 11 letters. Loop has 3 letters. [2024-10-31 22:18:48,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:48,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 8 letters. Loop has 6 letters. [2024-10-31 22:18:48,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:18:48,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-10-31 22:18:48,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:18:48,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-10-31 22:18:48,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:18:48,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:18:48,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:18:48,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:18:48,692 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:18:48,692 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:18:48,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:18:48,692 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:18:48,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:18:48,692 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:18:48,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:18:48,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:18:48 BoogieIcfgContainer [2024-10-31 22:18:48,700 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:18:48,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:18:48,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:18:48,701 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:18:48,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:18:42" (3/4) ... [2024-10-31 22:18:48,705 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:18:48,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:18:48,709 INFO L158 Benchmark]: Toolchain (without parser) took 7494.03ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 93.6MB in the beginning and 82.2MB in the end (delta: 11.3MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,709 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:18:48,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.92ms. Allocated memory is still 134.2MB. Free memory was 93.2MB in the beginning and 75.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,713 INFO L158 Benchmark]: Boogie Preprocessor took 55.07ms. Allocated memory is still 134.2MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,713 INFO L158 Benchmark]: RCFGBuilder took 391.80ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 142.8MB in the end (delta: -71.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,714 INFO L158 Benchmark]: BuchiAutomizer took 6412.92ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.8MB in the beginning and 83.3MB in the end (delta: 59.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,714 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 209.7MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:18:48,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.92ms. Allocated memory is still 134.2MB. Free memory was 93.2MB in the beginning and 75.0MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 134.2MB. Free memory was 74.7MB in the beginning and 73.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.07ms. Allocated memory is still 134.2MB. Free memory was 73.0MB in the beginning and 70.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.80ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 142.8MB in the end (delta: -71.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6412.92ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 142.8MB in the beginning and 83.3MB in the end (delta: 59.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 209.7MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 33 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax116 hnf100 lsp85 ukn84 mio100 lsp50 div171 bol100 ite100 ukn100 eq158 hnf93 smp71 dnf562 smp64 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 363ms VariablesStem: 3 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 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 22:18:48,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:18:48,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f6683f-e33a-41b7-8f7a-07e057a5e6b1/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