./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c --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_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/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_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/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_a1f01443-35fd-4160-b81f-c72b10c1a40c/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 ef4a52e45666a829b602608a46cff9c8137910dd58bdfaebe016ce17984d1ac8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:07,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:07,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 21:56:07,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:07,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:07,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:07,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:07,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:07,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:07,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:07,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:07,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:07,538 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:07,539 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:56:07,539 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:56:07,539 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:56:07,540 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:56:07,540 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:56:07,540 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:56:07,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:07,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:56:07,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:07,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:07,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:07,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:07,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:56:07,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:56:07,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:56:07,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:07,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:07,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:07,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:07,549 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:56:07,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:07,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:07,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:07,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:07,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:07,552 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:56:07,552 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_a1f01443-35fd-4160-b81f-c72b10c1a40c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef4a52e45666a829b602608a46cff9c8137910dd58bdfaebe016ce17984d1ac8 [2024-10-31 21:56:07,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:07,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:07,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:07,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:07,926 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:07,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c Unable to find full path for "g++" [2024-10-31 21:56:10,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:10,253 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:10,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c [2024-10-31 21:56:10,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/data/4828595aa/9555d1c3e77540cc86218b4b94ed3665/FLAG5a5362dd9 [2024-10-31 21:56:10,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/data/4828595aa/9555d1c3e77540cc86218b4b94ed3665 [2024-10-31 21:56:10,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:10,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:10,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:10,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:10,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:10,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3112126d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10, skipping insertion in model container [2024-10-31 21:56:10,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:10,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:10,517 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:10,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:10,555 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:10,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10 WrapperNode [2024-10-31 21:56:10,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:10,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:10,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:10,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:10,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,595 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-10-31 21:56:10,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:10,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:10,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:10,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:10,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,625 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 1 writes are split as follows [1, 0]. [2024-10-31 21:56:10,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:10,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:10,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:10,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:10,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (1/1) ... [2024-10-31 21:56:10,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:10,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:10,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:10,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:56:10,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:56:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:10,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:56:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:56:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:10,808 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:10,810 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:11,014 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:11,015 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:11,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:11,038 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:56:11,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:11 BoogieIcfgContainer [2024-10-31 21:56:11,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:11,045 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:56:11,046 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:56:11,051 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:56:11,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:11,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:56:10" (1/3) ... [2024-10-31 21:56:11,053 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66211d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:56:11, skipping insertion in model container [2024-10-31 21:56:11,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:11,054 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:10" (2/3) ... [2024-10-31 21:56:11,054 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66211d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:56:11, skipping insertion in model container [2024-10-31 21:56:11,055 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:11,055 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:11" (3/3) ... [2024-10-31 21:56:11,057 INFO L332 chiAutomizerObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration.c [2024-10-31 21:56:11,137 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:56:11,137 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:56:11,138 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:56:11,138 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:56:11,139 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:56:11,140 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:56:11,141 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:56:11,141 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:56:11,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 21:56:11,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-31 21:56:11,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:11,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:11,174 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 21:56:11,175 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:11,175 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:56:11,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 21:56:11,178 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-31 21:56:11,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:11,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:11,179 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 21:56:11,179 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:11,187 INFO L745 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 16#L26-3true [2024-10-31 21:56:11,188 INFO L747 eck$LassoCheckResult]: Loop: 16#L26-3true assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 8#L17-3true assume !(foo_~i~0#1 <= foo_~size#1); 9#L17-4true foo_#res#1 := foo_~i~0#1; 3#foo_returnLabel#1true main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 14#L26-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 16#L26-3true [2024-10-31 21:56:11,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 21:56:11,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716719197] [2024-10-31 21:56:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:11,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:11,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:11,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash 38364915, now seen corresponding path program 1 times [2024-10-31 21:56:11,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282645833] [2024-10-31 21:56:11,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:11,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:11,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:11,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:11,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1809804401, now seen corresponding path program 1 times [2024-10-31 21:56:11,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:11,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698902266] [2024-10-31 21:56:11,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:11,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:11,774 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 21:56:11,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:11,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698902266] [2024-10-31 21:56:11,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698902266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:11,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:11,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:56:11,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738343850] [2024-10-31 21:56:11,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:12,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:12,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:56:12,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:56:12,052 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:12,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:12,162 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2024-10-31 21:56:12,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2024-10-31 21:56:12,165 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2024-10-31 21:56:12,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 23 states and 26 transitions. [2024-10-31 21:56:12,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-10-31 21:56:12,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-10-31 21:56:12,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2024-10-31 21:56:12,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:12,175 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-31 21:56:12,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2024-10-31 21:56:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 14. [2024-10-31 21:56:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-10-31 21:56:12,207 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-31 21:56:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:56:12,213 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-31 21:56:12,213 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:56:12,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2024-10-31 21:56:12,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-31 21:56:12,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:12,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:12,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:56:12,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:12,216 INFO L745 eck$LassoCheckResult]: Stem: 68#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 69#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 71#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 70#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 59#L17-2 [2024-10-31 21:56:12,216 INFO L747 eck$LassoCheckResult]: Loop: 59#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 60#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 59#L17-2 [2024-10-31 21:56:12,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,217 INFO L85 PathProgramCache]: Analyzing trace with hash 925771, now seen corresponding path program 1 times [2024-10-31 21:56:12,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926876659] [2024-10-31 21:56:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:12,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:12,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:12,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1599, now seen corresponding path program 1 times [2024-10-31 21:56:12,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982081019] [2024-10-31 21:56:12,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:12,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:12,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:12,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,281 INFO L85 PathProgramCache]: Analyzing trace with hash 889666569, now seen corresponding path program 1 times [2024-10-31 21:56:12,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266759008] [2024-10-31 21:56:12,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:12,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:12,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266759008] [2024-10-31 21:56:12,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266759008] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:12,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31680872] [2024-10-31 21:56:12,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:12,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:12,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:12,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:56:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:56:12,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:12,752 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:12,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31680872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:12,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:56:12,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-31 21:56:12,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402551866] [2024-10-31 21:56:12,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:12,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:12,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:12,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:56:12,854 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 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 21:56:12,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:12,983 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-10-31 21:56:12,983 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2024-10-31 21:56:12,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-31 21:56:12,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2024-10-31 21:56:12,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-10-31 21:56:12,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-10-31 21:56:12,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2024-10-31 21:56:12,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:12,989 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-10-31 21:56:12,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2024-10-31 21:56:12,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2024-10-31 21:56:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.125) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-10-31 21:56:12,994 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-31 21:56:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:56:12,995 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-10-31 21:56:12,995 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:56:12,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 18 transitions. [2024-10-31 21:56:12,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-31 21:56:12,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:12,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:12,998 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:56:12,998 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 21:56:12,998 INFO L745 eck$LassoCheckResult]: Stem: 136#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 138#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 140#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 127#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 128#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 139#L17-4 [2024-10-31 21:56:12,999 INFO L747 eck$LassoCheckResult]: Loop: 139#L17-4 foo_#res#1 := foo_~i~0#1; 129#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 130#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 134#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 141#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 139#L17-4 [2024-10-31 21:56:13,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,001 INFO L85 PathProgramCache]: Analyzing trace with hash 889666567, now seen corresponding path program 1 times [2024-10-31 21:56:13,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641992135] [2024-10-31 21:56:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:13,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,040 INFO L85 PathProgramCache]: Analyzing trace with hash 51595455, now seen corresponding path program 2 times [2024-10-31 21:56:13,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223543758] [2024-10-31 21:56:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:13,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1198432377, now seen corresponding path program 1 times [2024-10-31 21:56:13,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54720631] [2024-10-31 21:56:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:13,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:13,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54720631] [2024-10-31 21:56:13,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54720631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:13,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846195385] [2024-10-31 21:56:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:13,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:13,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:13,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:56:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:56:13,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:13,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:13,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846195385] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:13,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:13,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-31 21:56:13,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142647910] [2024-10-31 21:56:13,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:13,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 21:56:13,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:56:13,697 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. cyclomatic complexity: 4 Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 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 21:56:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:13,900 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-10-31 21:56:13,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2024-10-31 21:56:13,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 21:56:13,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 27 transitions. [2024-10-31 21:56:13,906 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-10-31 21:56:13,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-10-31 21:56:13,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 27 transitions. [2024-10-31 21:56:13,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:13,907 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-10-31 21:56:13,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 27 transitions. [2024-10-31 21:56:13,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 19. [2024-10-31 21:56:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 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 21:56:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-31 21:56:13,909 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-31 21:56:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:56:13,911 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-31 21:56:13,911 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:56:13,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-10-31 21:56:13,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 21:56:13,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:13,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:13,913 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:56:13,913 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:56:13,913 INFO L745 eck$LassoCheckResult]: Stem: 257#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 258#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 259#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 260#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 261#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 264#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 262#L17-4 [2024-10-31 21:56:13,913 INFO L747 eck$LassoCheckResult]: Loop: 262#L17-4 foo_#res#1 := foo_~i~0#1; 250#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 251#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 255#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 263#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 248#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 249#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 266#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 265#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 262#L17-4 [2024-10-31 21:56:13,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash 889666567, now seen corresponding path program 2 times [2024-10-31 21:56:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642658759] [2024-10-31 21:56:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1121476027, now seen corresponding path program 1 times [2024-10-31 21:56:13,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753148713] [2024-10-31 21:56:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:14,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:14,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1242740619, now seen corresponding path program 2 times [2024-10-31 21:56:14,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:14,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333807311] [2024-10-31 21:56:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:14,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:14,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:14,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:14,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 21 [2024-10-31 21:56:14,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-10-31 21:56:14,825 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:14,826 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:14,826 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:14,826 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:14,826 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:14,826 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:14,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:14,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:14,827 INFO L132 ssoRankerPreferences]: Filename of dumped script: ArraysWithLenghtAtDeclaration.c_Iteration4_Lasso [2024-10-31 21:56:14,827 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:14,827 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:14,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:14,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,714 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:15,721 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:15,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:15,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:15,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:56:15,735 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 21:56:15,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:15,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:15,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:15,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:15,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:15,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:15,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:15,793 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-31 21:56:15,794 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 21:56:15,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:15,807 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:15,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:56:15,820 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:15,843 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:15,844 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:15,845 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1) = -2*ULTIMATE.start_main_~i~1#1 + 1 Supporting invariants [] [2024-10-31 21:56:15,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:15,904 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 21:56:15,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:15,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:56:15,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:15,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:56:15,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:16,134 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2024-10-31 21:56:16,135 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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 21:56:16,277 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 21 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) Result 40 states and 46 transitions. Complement of second has 13 states. [2024-10-31 21:56:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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 21:56:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2024-10-31 21:56:16,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 6 letters. Loop has 9 letters. [2024-10-31 21:56:16,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:16,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 15 letters. Loop has 9 letters. [2024-10-31 21:56:16,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:16,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 6 letters. Loop has 18 letters. [2024-10-31 21:56:16,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:16,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 46 transitions. [2024-10-31 21:56:16,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-10-31 21:56:16,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 46 transitions. [2024-10-31 21:56:16,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2024-10-31 21:56:16,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-10-31 21:56:16,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 46 transitions. [2024-10-31 21:56:16,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:16,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-10-31 21:56:16,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 46 transitions. [2024-10-31 21:56:16,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2024-10-31 21:56:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 33 states have internal predecessors, (40), 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 21:56:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-10-31 21:56:16,288 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-10-31 21:56:16,288 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-10-31 21:56:16,289 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:56:16,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 40 transitions. [2024-10-31 21:56:16,289 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-10-31 21:56:16,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:16,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:16,290 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:16,290 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 1, 1, 1, 1, 1] [2024-10-31 21:56:16,290 INFO L745 eck$LassoCheckResult]: Stem: 425#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 429#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 430#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 439#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 438#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 435#L17-4 foo_#res#1 := foo_~i~0#1; 415#foo_returnLabel#1 [2024-10-31 21:56:16,291 INFO L747 eck$LassoCheckResult]: Loop: 415#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 416#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 422#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 433#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 444#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 443#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 411#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 412#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 427#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 441#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 431#L17-4 foo_#res#1 := foo_~i~0#1; 415#foo_returnLabel#1 [2024-10-31 21:56:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1809859825, now seen corresponding path program 1 times [2024-10-31 21:56:16,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:16,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318179202] [2024-10-31 21:56:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:16,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:16,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:16,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,312 INFO L85 PathProgramCache]: Analyzing trace with hash 961271861, now seen corresponding path program 2 times [2024-10-31 21:56:16,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:16,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776881286] [2024-10-31 21:56:16,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:16,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:16,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:16,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:16,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,337 INFO L85 PathProgramCache]: Analyzing trace with hash 132390213, now seen corresponding path program 3 times [2024-10-31 21:56:16,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:16,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381860435] [2024-10-31 21:56:16,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:16,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:16,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:16,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381860435] [2024-10-31 21:56:16,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381860435] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:16,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108766944] [2024-10-31 21:56:16,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 21:56:16,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:16,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 21:56:16,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-31 21:56:16,574 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:56:16,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:56:16,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:16,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:16,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108766944] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:16,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:16,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-31 21:56:16,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911714329] [2024-10-31 21:56:16,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:17,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2024-10-31 21:56:17,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:56:17,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:17,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 21:56:17,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:56:17,119 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. cyclomatic complexity: 9 Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:17,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:17,287 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2024-10-31 21:56:17,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 68 transitions. [2024-10-31 21:56:17,289 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-10-31 21:56:17,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 56 states and 63 transitions. [2024-10-31 21:56:17,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-10-31 21:56:17,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-10-31 21:56:17,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 63 transitions. [2024-10-31 21:56:17,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:17,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 63 transitions. [2024-10-31 21:56:17,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 63 transitions. [2024-10-31 21:56:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-10-31 21:56:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 44 states have internal predecessors, (51), 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 21:56:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2024-10-31 21:56:17,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 51 transitions. [2024-10-31 21:56:17,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 21:56:17,300 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 51 transitions. [2024-10-31 21:56:17,300 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:56:17,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 51 transitions. [2024-10-31 21:56:17,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-10-31 21:56:17,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:17,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:17,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:17,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:17,302 INFO L745 eck$LassoCheckResult]: Stem: 649#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 650#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 651#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 654#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 664#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 659#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 656#L17-4 foo_#res#1 := foo_~i~0#1; 639#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 640#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 646#L26-3 assume !(main_~i~1#1 % 4294967296 < 32); 648#L26-4 main_~i~1#1 := 0; 643#L29-3 [2024-10-31 21:56:17,302 INFO L747 eck$LassoCheckResult]: Loop: 643#L29-3 assume !!(main_~i~1#1 % 4294967296 < 32);call main_#t~mem4#1 := read~int#0(main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4); 644#L30 assume !(main_#t~mem4#1 != main_~i~1#1);havoc main_#t~mem4#1; 645#L29-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 643#L29-3 [2024-10-31 21:56:17,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1198432331, now seen corresponding path program 1 times [2024-10-31 21:56:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133273905] [2024-10-31 21:56:17,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:17,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:17,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133273905] [2024-10-31 21:56:17,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133273905] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:17,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858868795] [2024-10-31 21:56:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:17,395 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:17,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 21:56:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:56:17,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:17,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:56:17,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858868795] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:17,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:17,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 21:56:17,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358239736] [2024-10-31 21:56:17,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:17,532 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,533 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2024-10-31 21:56:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456722103] [2024-10-31 21:56:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:17,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:17,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:56:17,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:56:17,595 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 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 21:56:17,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:17,684 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2024-10-31 21:56:17,684 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 95 transitions. [2024-10-31 21:56:17,685 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2024-10-31 21:56:17,686 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 82 states and 92 transitions. [2024-10-31 21:56:17,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2024-10-31 21:56:17,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2024-10-31 21:56:17,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 92 transitions. [2024-10-31 21:56:17,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:17,687 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-10-31 21:56:17,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 92 transitions. [2024-10-31 21:56:17,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2024-10-31 21:56:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 65 states have internal predecessors, (75), 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 21:56:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2024-10-31 21:56:17,691 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 75 transitions. [2024-10-31 21:56:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:17,692 INFO L425 stractBuchiCegarLoop]: Abstraction has 66 states and 75 transitions. [2024-10-31 21:56:17,692 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 21:56:17,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 75 transitions. [2024-10-31 21:56:17,693 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2024-10-31 21:56:17,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:17,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:17,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 3, 2, 2, 2, 2, 1, 1] [2024-10-31 21:56:17,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:17,694 INFO L745 eck$LassoCheckResult]: Stem: 851#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 852#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 855#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 887#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 885#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 883#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 858#L17-4 foo_#res#1 := foo_~i~0#1; 859#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 899#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 856#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 857#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 902#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 901#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 900#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 898#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 879#L17-4 foo_#res#1 := foo_~i~0#1; 837#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 838#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 848#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 853#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 841#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 842#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 897#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 895#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 892#L17-2 [2024-10-31 21:56:17,694 INFO L747 eck$LassoCheckResult]: Loop: 892#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 891#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 892#L17-2 [2024-10-31 21:56:17,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1084446665, now seen corresponding path program 4 times [2024-10-31 21:56:17,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504626202] [2024-10-31 21:56:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:17,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1599, now seen corresponding path program 2 times [2024-10-31 21:56:17,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911552083] [2024-10-31 21:56:17,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,762 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:17,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1523807225, now seen corresponding path program 5 times [2024-10-31 21:56:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17625130] [2024-10-31 21:56:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:56:17,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17625130] [2024-10-31 21:56:17,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17625130] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:17,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278858019] [2024-10-31 21:56:17,986 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-31 21:56:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:17,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:17,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:17,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 21:56:18,099 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-10-31 21:56:18,100 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:56:18,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 21:56:18,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:18,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:18,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278858019] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:18,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:18,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 18 [2024-10-31 21:56:18,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071310684] [2024-10-31 21:56:18,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:18,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:18,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-31 21:56:18,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-10-31 21:56:18,555 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. cyclomatic complexity: 13 Second operand has 19 states, 18 states have (on average 2.611111111111111) internal successors, (47), 19 states have internal predecessors, (47), 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 21:56:18,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:18,922 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2024-10-31 21:56:18,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 88 transitions. [2024-10-31 21:56:18,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-10-31 21:56:18,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 88 transitions. [2024-10-31 21:56:18,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-10-31 21:56:18,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-10-31 21:56:18,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 88 transitions. [2024-10-31 21:56:18,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:18,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-10-31 21:56:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 88 transitions. [2024-10-31 21:56:18,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2024-10-31 21:56:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 67 states have internal predecessors, (76), 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 21:56:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2024-10-31 21:56:18,929 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 76 transitions. [2024-10-31 21:56:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-31 21:56:18,930 INFO L425 stractBuchiCegarLoop]: Abstraction has 68 states and 76 transitions. [2024-10-31 21:56:18,931 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 21:56:18,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 76 transitions. [2024-10-31 21:56:18,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-10-31 21:56:18,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:18,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:18,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 3, 3, 3, 3, 1, 1] [2024-10-31 21:56:18,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 1, 1, 1, 1, 1] [2024-10-31 21:56:18,933 INFO L745 eck$LassoCheckResult]: Stem: 1192#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1193#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 1196#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1235#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1231#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1227#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1198#L17-4 foo_#res#1 := foo_~i~0#1; 1183#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1184#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1190#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1197#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1240#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1237#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1233#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1229#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1225#L17-4 foo_#res#1 := foo_~i~0#1; 1226#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1243#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1242#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1241#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1239#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1236#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1232#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1228#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1224#L17-4 foo_#res#1 := foo_~i~0#1; 1181#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1182#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1220#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1201#L17-3 [2024-10-31 21:56:18,933 INFO L747 eck$LassoCheckResult]: Loop: 1201#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1218#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1216#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1214#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1212#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1209#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1208#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1205#L17-4 foo_#res#1 := foo_~i~0#1; 1203#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1202#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1200#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1201#L17-3 [2024-10-31 21:56:18,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,934 INFO L85 PathProgramCache]: Analyzing trace with hash 203385399, now seen corresponding path program 6 times [2024-10-31 21:56:18,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:18,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085817354] [2024-10-31 21:56:18,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:56:19,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:19,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085817354] [2024-10-31 21:56:19,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085817354] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:19,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050657932] [2024-10-31 21:56:19,120 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-31 21:56:19,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:19,123 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:19,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 21:56:19,230 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-10-31 21:56:19,231 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:56:19,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:56:19,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:56:19,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 21:56:19,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050657932] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:19,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:19,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-10-31 21:56:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004958876] [2024-10-31 21:56:19,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:19,477 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:19,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash -81249831, now seen corresponding path program 3 times [2024-10-31 21:56:19,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:19,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738098916] [2024-10-31 21:56:19,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:19,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:19,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:19,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:19,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:19,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 21:56:19,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-31 21:56:19,908 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. cyclomatic complexity: 11 Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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 21:56:20,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:20,172 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2024-10-31 21:56:20,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 78 transitions. [2024-10-31 21:56:20,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2024-10-31 21:56:20,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 52 states and 54 transitions. [2024-10-31 21:56:20,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2024-10-31 21:56:20,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2024-10-31 21:56:20,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 54 transitions. [2024-10-31 21:56:20,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:20,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-10-31 21:56:20,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 54 transitions. [2024-10-31 21:56:20,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 45. [2024-10-31 21:56:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 44 states have internal predecessors, (47), 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 21:56:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-10-31 21:56:20,177 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-10-31 21:56:20,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 21:56:20,179 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-10-31 21:56:20,179 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 21:56:20,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 47 transitions. [2024-10-31 21:56:20,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-10-31 21:56:20,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:20,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:20,181 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 4, 3, 3, 3, 3, 1, 1] [2024-10-31 21:56:20,181 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 3, 1, 1, 1, 1, 1] [2024-10-31 21:56:20,181 INFO L745 eck$LassoCheckResult]: Stem: 1520#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1521#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 1522#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1554#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1553#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1552#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1551#L17-4 foo_#res#1 := foo_~i~0#1; 1513#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1514#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1518#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1524#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1511#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1512#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1523#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1555#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1525#L17-4 foo_#res#1 := foo_~i~0#1; 1526#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1550#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1549#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1548#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1547#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1546#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1545#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1544#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1543#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1542#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1541#L17-4 foo_#res#1 := foo_~i~0#1; 1540#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1539#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1538#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1528#L17-3 [2024-10-31 21:56:20,181 INFO L747 eck$LassoCheckResult]: Loop: 1528#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1537#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1536#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1535#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1534#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1533#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1532#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1531#L17-4 foo_#res#1 := foo_~i~0#1; 1530#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1529#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1527#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1528#L17-3 [2024-10-31 21:56:20,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash -463974539, now seen corresponding path program 7 times [2024-10-31 21:56:20,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:20,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122264819] [2024-10-31 21:56:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:20,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:20,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:20,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:20,229 INFO L85 PathProgramCache]: Analyzing trace with hash -81249831, now seen corresponding path program 4 times [2024-10-31 21:56:20,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708914862] [2024-10-31 21:56:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:20,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:20,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:20,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1101563419, now seen corresponding path program 8 times [2024-10-31 21:56:20,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279806599] [2024-10-31 21:56:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 49 proven. 79 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-31 21:56:20,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:20,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279806599] [2024-10-31 21:56:20,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279806599] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:20,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924217901] [2024-10-31 21:56:20,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 21:56:20,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:20,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,602 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 21:56:20,726 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 21:56:20,726 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:56:20,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 21:56:20,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 65 proven. 63 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-31 21:56:20,878 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 65 proven. 63 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-31 21:56:21,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924217901] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:21,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:21,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-10-31 21:56:21,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554610123] [2024-10-31 21:56:21,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-31 21:56:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2024-10-31 21:56:21,408 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. cyclomatic complexity: 4 Second operand has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 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 21:56:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:21,868 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2024-10-31 21:56:21,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 59 transitions. [2024-10-31 21:56:21,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2024-10-31 21:56:21,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 59 transitions. [2024-10-31 21:56:21,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2024-10-31 21:56:21,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2024-10-31 21:56:21,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 59 transitions. [2024-10-31 21:56:21,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:21,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 59 transitions. [2024-10-31 21:56:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 59 transitions. [2024-10-31 21:56:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 47. [2024-10-31 21:56:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 46 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2024-10-31 21:56:21,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-10-31 21:56:21,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-31 21:56:21,873 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-10-31 21:56:21,873 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 21:56:21,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 49 transitions. [2024-10-31 21:56:21,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2024-10-31 21:56:21,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:21,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:21,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 4, 3, 3, 3, 3, 1, 1] [2024-10-31 21:56:21,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 1, 1, 1, 1, 1] [2024-10-31 21:56:21,875 INFO L745 eck$LassoCheckResult]: Stem: 1907#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1908#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 1909#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1910#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1911#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1941#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1939#L17-4 foo_#res#1 := foo_~i~0#1; 1938#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1904#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1905#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1943#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1897#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1898#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1942#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1940#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1912#L17-4 foo_#res#1 := foo_~i~0#1; 1899#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1900#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1937#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1936#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1935#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1934#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1933#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1932#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1931#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1930#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1929#L17-4 foo_#res#1 := foo_~i~0#1; 1928#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1927#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1926#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1914#L17-3 [2024-10-31 21:56:21,876 INFO L747 eck$LassoCheckResult]: Loop: 1914#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1925#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1924#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1923#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1922#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1921#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1920#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 1919#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 1918#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 1917#L17-4 foo_#res#1 := foo_~i~0#1; 1916#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 1915#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1913#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1914#L17-3 [2024-10-31 21:56:21,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:21,876 INFO L85 PathProgramCache]: Analyzing trace with hash -463974539, now seen corresponding path program 9 times [2024-10-31 21:56:21,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:21,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273550112] [2024-10-31 21:56:21,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:21,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:21,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:21,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:21,929 INFO L85 PathProgramCache]: Analyzing trace with hash 879476375, now seen corresponding path program 5 times [2024-10-31 21:56:21,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:21,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70646095] [2024-10-31 21:56:21,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:21,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:21,981 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:21,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:21,982 INFO L85 PathProgramCache]: Analyzing trace with hash -389338205, now seen corresponding path program 10 times [2024-10-31 21:56:21,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:21,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758871315] [2024-10-31 21:56:21,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:21,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:22,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:22,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:23,992 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:23,992 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:23,992 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:23,992 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:23,992 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:23,992 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:23,992 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:23,993 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:23,993 INFO L132 ssoRankerPreferences]: Filename of dumped script: ArraysWithLenghtAtDeclaration.c_Iteration10_Lasso [2024-10-31 21:56:23,993 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:23,993 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:23,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:23,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:24,986 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:24,986 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:24,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:24,989 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:24,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:56:24,994 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 21:56:25,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,012 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 21:56:25,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,032 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:56:25,036 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 21:56:25,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:56:25,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,080 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:56:25,083 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 21:56:25,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,103 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 21:56:25,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,124 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:56:25,127 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 21:56:25,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 21:56:25,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,170 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:56:25,173 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 21:56:25,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,192 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:25,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,212 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:56:25,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:25,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,236 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 21:56:25,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,258 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:56:25,261 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 21:56:25,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,278 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:25,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,300 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:56:25,306 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 21:56:25,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,326 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:25,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,348 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:56:25,350 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 21:56:25,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 21:56:25,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,390 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:56:25,393 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 21:56:25,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 21:56:25,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,437 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:56:25,441 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 21:56:25,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:25,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:25,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:25,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 21:56:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,481 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:56:25,484 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 21:56:25,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:25,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:25,506 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 21:56:25,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,528 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:56:25,530 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 21:56:25,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:25,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:25,552 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 21:56:25,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,573 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:56:25,576 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 21:56:25,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:25,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:25,603 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 21:56:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,625 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:56:25,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:25,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:25,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:25,649 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:25,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:25,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,670 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:56:25,672 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 21:56:25,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:25,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:25,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:25,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:25,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:25,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:25,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:25,807 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2024-10-31 21:56:25,807 INFO L444 ModelExtractionUtils]: 13 out of 31 variables were initially zero. Simplification set additionally 14 variables to zero. [2024-10-31 21:56:25,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:25,810 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:25,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:56:25,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:25,832 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 21:56:25,833 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:25,833 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_2, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_2 - 4*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~#b~0#1.offset >= 0] [2024-10-31 21:56:25,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:25,882 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-10-31 21:56:25,885 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:56:25,886 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:56:25,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:25,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:56:25,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:26,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:56:26,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 21:56:26,439 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2024-10-31 21:56:26,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 47 states and 49 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:26,498 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 47 states and 49 transitions. cyclomatic complexity: 4. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 82 states and 86 transitions. Complement of second has 8 states. [2024-10-31 21:56:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2024-10-31 21:56:26,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 30 letters. Loop has 13 letters. [2024-10-31 21:56:26,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:26,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 43 letters. Loop has 13 letters. [2024-10-31 21:56:26,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:26,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 30 letters. Loop has 26 letters. [2024-10-31 21:56:26,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:26,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 86 transitions. [2024-10-31 21:56:26,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:56:26,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 56 states and 60 transitions. [2024-10-31 21:56:26,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-31 21:56:26,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 21:56:26,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 60 transitions. [2024-10-31 21:56:26,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:26,509 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 60 transitions. [2024-10-31 21:56:26,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 60 transitions. [2024-10-31 21:56:26,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2024-10-31 21:56:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 48 states have internal predecessors, (53), 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 21:56:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2024-10-31 21:56:26,515 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 53 transitions. [2024-10-31 21:56:26,515 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 53 transitions. [2024-10-31 21:56:26,515 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 21:56:26,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 53 transitions. [2024-10-31 21:56:26,516 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:56:26,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:26,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:26,516 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 4, 3, 3, 3, 3, 1, 1] [2024-10-31 21:56:26,516 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:26,517 INFO L745 eck$LassoCheckResult]: Stem: 2226#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 2229#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2230#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2262#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2260#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2233#L17-4 foo_#res#1 := foo_~i~0#1; 2214#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2215#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2231#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2232#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2218#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2219#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2228#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2261#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2259#L17-4 foo_#res#1 := foo_~i~0#1; 2258#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2223#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2224#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2257#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2256#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2255#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2254#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2253#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2252#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2251#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2250#L17-4 foo_#res#1 := foo_~i~0#1; 2249#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2248#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2247#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2217#L17-3 [2024-10-31 21:56:26,517 INFO L747 eck$LassoCheckResult]: Loop: 2217#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2216#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2217#L17-3 [2024-10-31 21:56:26,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:26,517 INFO L85 PathProgramCache]: Analyzing trace with hash -463974539, now seen corresponding path program 11 times [2024-10-31 21:56:26,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:26,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100524799] [2024-10-31 21:56:26,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:26,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:26,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 21:56:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:26,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:26,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:26,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 3 times [2024-10-31 21:56:26,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:26,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204372979] [2024-10-31 21:56:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:26,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:26,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:26,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:26,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash 797067383, now seen corresponding path program 12 times [2024-10-31 21:56:26,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:26,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434927284] [2024-10-31 21:56:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:26,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:26,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:26,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:28,201 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:28,201 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:28,201 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:28,201 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:28,201 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:28,201 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,202 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:28,202 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:28,202 INFO L132 ssoRankerPreferences]: Filename of dumped script: ArraysWithLenghtAtDeclaration.c_Iteration11_Lasso [2024-10-31 21:56:28,202 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:28,202 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:28,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:28,698 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:28,699 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:28,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,700 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:56:28,708 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 21:56:28,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:28,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,746 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:56:28,749 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 21:56:28,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 21:56:28,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,788 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:56:28,790 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 21:56:28,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-31 21:56:28,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,828 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:56:28,832 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 21:56:28,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,849 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:28,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,869 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:56:28,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:28,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,889 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:28,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,910 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:56:28,912 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 21:56:28,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 21:56:28,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,949 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:56:28,951 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 21:56:28,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:28,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:28,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:28,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:28,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:28,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:28,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:28,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:28,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:28,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:28,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:28,990 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:28,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:56:28,994 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 21:56:29,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:29,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:29,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:29,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,031 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:56:29,033 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 21:56:29,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,073 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 21:56:29,076 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 21:56:29,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,096 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,117 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:56:29,119 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 21:56:29,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:29,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:29,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:29,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,159 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:56:29,162 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 21:56:29,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:29,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:29,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:29,182 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 21:56:29,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,203 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:56:29,206 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 21:56:29,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:29,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:29,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:29,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,247 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:56:29,249 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 21:56:29,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,271 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,292 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:56:29,294 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 21:56:29,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:29,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,340 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 21:56:29,342 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 21:56:29,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:29,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:29,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:29,362 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-31 21:56:29,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,384 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 21:56:29,388 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 21:56:29,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,420 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-31 21:56:29,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,441 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 21:56:29,445 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 21:56:29,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,466 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-31 21:56:29,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,487 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 21:56:29,489 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 21:56:29,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,510 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:29,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-31 21:56:29,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,529 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 21:56:29,532 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 21:56:29,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:29,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:29,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:29,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:29,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:29,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:29,571 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:29,616 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-10-31 21:56:29,617 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 21:56:29,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:29,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:29,619 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:29,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 21:56:29,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:29,633 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 21:56:29,633 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:29,633 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#mask~0#1.base)_3, ULTIMATE.start_foo_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#mask~0#1.base)_3 - 1*ULTIMATE.start_foo_~i~0#1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~#mask~0#1.base)_3 - 2*ULTIMATE.start_foo_~size#1 >= 0] [2024-10-31 21:56:29,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 21:56:29,669 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2024-10-31 21:56:29,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:56:29,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:56:29,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:29,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 21:56:29,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:29,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-31 21:56:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:30,027 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:56:30,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:30,065 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 21:56:30,066 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 21:56:30,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 53 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 21:56:30,131 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 53 transitions. cyclomatic complexity: 7. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 50 states and 54 transitions. Complement of second has 6 states. [2024-10-31 21:56:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 21:56:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2024-10-31 21:56:30,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 30 letters. Loop has 2 letters. [2024-10-31 21:56:30,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:30,133 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:56:30,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:30,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 21:56:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:30,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 21:56:30,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:30,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-31 21:56:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:30,483 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:56:30,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:30,520 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 21:56:30,521 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 21:56:30,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 53 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 21:56:30,582 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 53 transitions. cyclomatic complexity: 7. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 50 states and 54 transitions. Complement of second has 6 states. [2024-10-31 21:56:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 21:56:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2024-10-31 21:56:30,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 30 letters. Loop has 2 letters. [2024-10-31 21:56:30,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:30,586 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:56:30,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:30,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-31 21:56:30,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:30,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-10-31 21:56:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:30,948 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:56:30,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:30,987 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 21:56:30,987 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2024-10-31 21:56:30,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 53 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 21:56:31,188 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 53 transitions. cyclomatic complexity: 7. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 77 states and 84 transitions. Complement of second has 18 states. [2024-10-31 21:56:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 5 stem states 1 non-accepting loop states 2 accepting loop states [2024-10-31 21:56:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 21:56:31,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 49 transitions. [2024-10-31 21:56:31,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 49 transitions. Stem has 30 letters. Loop has 2 letters. [2024-10-31 21:56:31,190 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:31,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 49 transitions. Stem has 32 letters. Loop has 2 letters. [2024-10-31 21:56:31,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:31,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 49 transitions. Stem has 30 letters. Loop has 4 letters. [2024-10-31 21:56:31,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:31,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 84 transitions. [2024-10-31 21:56:31,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:56:31,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 63 states and 67 transitions. [2024-10-31 21:56:31,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-31 21:56:31,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-31 21:56:31,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 67 transitions. [2024-10-31 21:56:31,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:31,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 67 transitions. [2024-10-31 21:56:31,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 67 transitions. [2024-10-31 21:56:31,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 49. [2024-10-31 21:56:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 states have internal predecessors, (52), 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 21:56:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2024-10-31 21:56:31,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 52 transitions. [2024-10-31 21:56:31,204 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 52 transitions. [2024-10-31 21:56:31,204 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-31 21:56:31,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 52 transitions. [2024-10-31 21:56:31,204 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-10-31 21:56:31,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:31,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:31,205 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 5, 4, 4, 4, 4, 1, 1] [2024-10-31 21:56:31,205 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:31,206 INFO L745 eck$LassoCheckResult]: Stem: 2846#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2847#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret2#1, main_#t~post3#1, main_#t~mem4#1, main_#t~post5#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(128);call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 2851#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2848#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2849#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2882#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2853#L17-4 foo_#res#1 := foo_~i~0#1; 2854#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2879#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2852#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2850#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2837#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2838#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2883#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2881#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2880#L17-4 foo_#res#1 := foo_~i~0#1; 2839#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2840#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2844#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2878#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2877#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2876#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2875#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2874#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2873#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2872#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2871#L17-4 foo_#res#1 := foo_~i~0#1; 2870#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2869#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2868#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2856#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2867#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2866#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2865#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2864#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2863#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2862#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2861#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2860#L17-3 assume !(foo_~i~0#1 <= foo_~size#1); 2859#L17-4 foo_#res#1 := foo_~i~0#1; 2858#foo_returnLabel#1 main_#t~ret2#1 := foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1;assume { :end_inline_foo } true;call write~int#0(main_#t~ret2#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret2#1; 2857#L26-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 2855#L26-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~b#1.base, foo_#in~b#1.offset, foo_#in~size#1 := main_~#mask~0#1.base, main_~#mask~0#1.offset, main_~i~1#1;havoc foo_#res#1;havoc foo_#t~mem0#1, foo_#t~post1#1, foo_~b#1.base, foo_~b#1.offset, foo_~size#1, foo_~a~0#1, foo_~i~0#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;foo_~size#1 := foo_#in~size#1;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2836#L17-3 [2024-10-31 21:56:31,206 INFO L747 eck$LassoCheckResult]: Loop: 2836#L17-3 assume !!(foo_~i~0#1 <= foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem0#1 := read~int#1(foo_~b#1.base, foo_~b#1.offset + foo_~i~0#1, 1);foo_~a~0#1 := foo_~a~0#1[foo_~i~0#1 := foo_#t~mem0#1];havoc foo_#t~mem0#1; 2835#L17-2 foo_#t~post1#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post1#1;havoc foo_#t~post1#1; 2836#L17-3 [2024-10-31 21:56:31,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:31,207 INFO L85 PathProgramCache]: Analyzing trace with hash -389338205, now seen corresponding path program 13 times [2024-10-31 21:56:31,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:31,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610497302] [2024-10-31 21:56:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:31,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:31,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:31,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:31,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 4 times [2024-10-31 21:56:31,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:31,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656880811] [2024-10-31 21:56:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:31,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:31,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:31,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:31,313 INFO L85 PathProgramCache]: Analyzing trace with hash -491859675, now seen corresponding path program 14 times [2024-10-31 21:56:31,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:31,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899786979] [2024-10-31 21:56:31,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:31,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:31,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:31,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:35,603 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:35,604 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:35,604 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:35,604 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:35,604 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:35,604 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:35,604 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:35,604 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:35,604 INFO L132 ssoRankerPreferences]: Filename of dumped script: ArraysWithLenghtAtDeclaration.c_Iteration12_Lasso [2024-10-31 21:56:35,604 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:35,605 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:35,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:35,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:36,097 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:36,097 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:36,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,100 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 21:56:36,103 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 21:56:36,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:36,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:36,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:36,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,145 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 21:56:36,147 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 21:56:36,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:36,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:36,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:36,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 21:56:36,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,184 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 21:56:36,187 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 21:56:36,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:36,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:36,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:36,204 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,225 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 21:56:36,227 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 21:56:36,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,268 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 21:56:36,270 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 21:56:36,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,293 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,313 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 21:56:36,315 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 21:56:36,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,354 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 21:56:36,358 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 21:56:36,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,381 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,394 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 21:56:36,396 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 21:56:36,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-31 21:56:36,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,428 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 21:56:36,430 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 21:56:36,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:36,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:36,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:36,443 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-31 21:56:36,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,456 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 21:56:36,457 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 21:56:36,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,474 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,489 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 21:56:36,490 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 21:56:36,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:36,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:36,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:36,503 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-31 21:56:36,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,516 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 21:56:36,518 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 21:56:36,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-31 21:56:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,547 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 21:56:36,548 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 21:56:36,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,564 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:36,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-31 21:56:36,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,585 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 21:56:36,587 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 21:56:36,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:36,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:36,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:36,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:36,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:36,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:36,622 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:36,658 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:56:36,658 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-10-31 21:56:36,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:36,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,661 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 21:56:36,662 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:36,678 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 21:56:36,678 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:36,679 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_foo_~i~0#1, v_rep(select #length ULTIMATE.start_foo_~b#1.base)_4) = -1*ULTIMATE.start_foo_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_foo_~b#1.base)_4 Supporting invariants [-2*ULTIMATE.start_foo_~size#1 + 1*v_rep(select #length ULTIMATE.start_main_~#mask~0#1.base)_4 >= 0] [2024-10-31 21:56:36,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,724 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2024-10-31 21:56:36,729 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 21:56:36,730 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 21:56:36,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:36,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1f01443-35fd-4160-b81f-c72b10c1a40c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 21:56:36,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:36,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-31 21:56:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:37,256 WARN L253 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:56:37,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:37,328 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 21:56:37,328 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2024-10-31 21:56:37,328 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 52 transitions. cyclomatic complexity: 6 Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 21:56:37,412 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 52 transitions. cyclomatic complexity: 6. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 50 states and 53 transitions. Complement of second has 6 states. [2024-10-31 21:56:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 21:56:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2024-10-31 21:56:37,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 43 letters. Loop has 2 letters. [2024-10-31 21:56:37,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:37,413 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 21:56:37,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:37,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 21:56:37,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:37,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1