./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:46:41,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:46:42,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:46:42,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:46:42,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:46:42,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:46:42,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:46:42,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:46:42,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:46:42,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:46:42,076 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:46:42,077 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:46:42,077 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:46:42,078 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:46:42,079 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:46:42,079 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:46:42,080 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:46:42,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:46:42,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:46:42,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:46:42,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:46:42,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:46:42,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:46:42,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:46:42,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:46:42,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:46:42,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:46:42,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:46:42,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:46:42,086 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:46:42,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:46:42,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:46:42,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:46:42,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:46:42,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:46:42,089 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:46:42,090 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_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d22aeda2fb15b9dd79854281ee0f5e475c0f7ee1551b76594f45703ddc81df [2023-11-06 22:46:42,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:46:42,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:46:42,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:46:42,401 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:46:42,402 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:46:42,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2023-11-06 22:46:45,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:46:45,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:46:45,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength4.c [2023-11-06 22:46:45,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/data/3a16b93ac/a1f2c858de0e436d96460f1492f6040f/FLAG5eb04ed8d [2023-11-06 22:46:45,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/data/3a16b93ac/a1f2c858de0e436d96460f1492f6040f [2023-11-06 22:46:45,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:46:45,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:46:45,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:45,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:46:45,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:46:45,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:45" (1/1) ... [2023-11-06 22:46:45,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ca996b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:45, skipping insertion in model container [2023-11-06 22:46:45,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:45" (1/1) ... [2023-11-06 22:46:45,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:46:45,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:45,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:46:46,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:46,025 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:46:46,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46 WrapperNode [2023-11-06 22:46:46,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:46,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:46,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:46:46,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:46:46,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,070 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-06 22:46:46,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:46,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:46:46,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:46:46,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:46:46,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:46:46,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:46:46,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:46:46,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:46:46,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (1/1) ... [2023-11-06 22:46:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:46,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:46,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:46,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:46:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:46:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:46:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:46:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:46:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:46:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:46:46,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:46:46,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:46:46,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:46:46,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:46:46,425 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:46:46,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:46 BoogieIcfgContainer [2023-11-06 22:46:46,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:46:46,429 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:46:46,429 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:46:46,434 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:46:46,435 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:46:46,435 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:46:45" (1/3) ... [2023-11-06 22:46:46,436 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35789bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:46:46, skipping insertion in model container [2023-11-06 22:46:46,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:46:46,437 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:46" (2/3) ... [2023-11-06 22:46:46,437 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35789bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:46:46, skipping insertion in model container [2023-11-06 22:46:46,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:46:46,438 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:46" (3/3) ... [2023-11-06 22:46:46,439 INFO L332 chiAutomizerObserver]: Analyzing ICFG ArraysOfVariableLength4.c [2023-11-06 22:46:46,514 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:46:46,514 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:46:46,514 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:46:46,514 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:46:46,514 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:46:46,515 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:46:46,515 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:46:46,515 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:46:46,519 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) [2023-11-06 22:46:46,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-06 22:46:46,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:46,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:46,544 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:46,544 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:46:46,545 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:46:46,545 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) [2023-11-06 22:46:46,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-06 22:46:46,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:46,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:46,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:46,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:46:46,558 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 6#L25-3true [2023-11-06 22:46:46,558 INFO L750 eck$LassoCheckResult]: Loop: 6#L25-3true assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 5#L15-3true assume !(foo_~i~0#1 < foo_~size#1); 11#L15-4true foo_#res#1 := foo_~i~0#1; 3#foo_returnLabel#1true main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 12#L25-2true main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6#L25-3true [2023-11-06 22:46:46,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:46:46,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:46,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271133148] [2023-11-06 22:46:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:46,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:46,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:46,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:46,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash 38364915, now seen corresponding path program 1 times [2023-11-06 22:46:46,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:46,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067740730] [2023-11-06 22:46:46,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:46,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:47,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:47,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067740730] [2023-11-06 22:46:47,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067740730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:47,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:47,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:46:47,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266713115] [2023-11-06 22:46:47,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:47,092 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:47,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:47,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:46:47,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:46:47,132 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:47,158 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2023-11-06 22:46:47,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2023-11-06 22:46:47,162 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2023-11-06 22:46:47,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 16 transitions. [2023-11-06 22:46:47,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-06 22:46:47,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-06 22:46:47,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2023-11-06 22:46:47,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:47,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 22:46:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2023-11-06 22:46:47,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-06 22:46:47,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 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) [2023-11-06 22:46:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-06 22:46:47,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-06 22:46:47,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:46:47,205 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-06 22:46:47,205 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:46:47,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2023-11-06 22:46:47,206 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:46:47,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:47,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:47,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:47,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:47,208 INFO L748 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 56#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 48#L25-3 [2023-11-06 22:46:47,208 INFO L750 eck$LassoCheckResult]: Loop: 48#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 49#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 50#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 57#L15-3 assume !(foo_~i~0#1 < foo_~size#1); 45#L15-4 foo_#res#1 := foo_~i~0#1; 46#foo_returnLabel#1 main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 47#L25-2 main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 48#L25-3 [2023-11-06 22:46:47,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:47,209 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-06 22:46:47,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:47,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737338536] [2023-11-06 22:46:47,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:47,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:47,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:47,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:47,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:47,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1732759051, now seen corresponding path program 1 times [2023-11-06 22:46:47,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:47,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186505961] [2023-11-06 22:46:47,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:47,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:47,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186505961] [2023-11-06 22:46:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186505961] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300074311] [2023-11-06 22:46:47,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:47,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:47,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:47,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:47,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:46:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:47,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:46:47,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:47,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:47,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300074311] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:47,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:46:47,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-06 22:46:47,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83198866] [2023-11-06 22:46:47,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:47,627 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:47,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:47,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:46:47,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:46:47,629 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand has 8 states, 8 states have (on average 1.875) 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) [2023-11-06 22:46:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:47,682 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-06 22:46:47,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-06 22:46:47,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-06 22:46:47,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2023-11-06 22:46:47,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-06 22:46:47,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-06 22:46:47,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2023-11-06 22:46:47,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:47,686 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-06 22:46:47,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2023-11-06 22:46:47,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:46:47,689 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) [2023-11-06 22:46:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-06 22:46:47,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-06 22:46:47,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:46:47,692 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-06 22:46:47,692 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:46:47,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-06 22:46:47,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2023-11-06 22:46:47,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:47,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:47,694 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:47,694 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 1, 1, 1, 1, 1] [2023-11-06 22:46:47,695 INFO L748 eck$LassoCheckResult]: Stem: 132#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 127#L25-3 [2023-11-06 22:46:47,695 INFO L750 eck$LassoCheckResult]: Loop: 127#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 128#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 129#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 136#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 142#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 141#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 140#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 139#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 138#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 137#L15-3 assume !(foo_~i~0#1 < foo_~size#1); 124#L15-4 foo_#res#1 := foo_~i~0#1; 125#foo_returnLabel#1 main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 126#L25-2 main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 127#L25-3 [2023-11-06 22:46:47,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:47,696 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2023-11-06 22:46:47,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:47,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486441556] [2023-11-06 22:46:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:47,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:47,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:47,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:47,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1316700165, now seen corresponding path program 2 times [2023-11-06 22:46:47,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:47,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386528419] [2023-11-06 22:46:47,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:47,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:48,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:48,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386528419] [2023-11-06 22:46:48,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386528419] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:48,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119126554] [2023-11-06 22:46:48,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:46:48,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:48,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:48,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:48,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:46:48,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:46:48,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:46:48,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:46:48,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:48,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:48,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119126554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:48,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:46:48,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-11-06 22:46:48,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967787763] [2023-11-06 22:46:48,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:48,457 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:48,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:48,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:46:48,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=146, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:46:48,462 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 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) [2023-11-06 22:46:48,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:48,561 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2023-11-06 22:46:48,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 33 transitions. [2023-11-06 22:46:48,566 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2023-11-06 22:46:48,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 33 transitions. [2023-11-06 22:46:48,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-06 22:46:48,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-06 22:46:48,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 33 transitions. [2023-11-06 22:46:48,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:48,576 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 33 transitions. [2023-11-06 22:46:48,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 33 transitions. [2023-11-06 22:46:48,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-06 22:46:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.064516129032258) internal successors, (33), 30 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) [2023-11-06 22:46:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2023-11-06 22:46:48,586 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 33 transitions. [2023-11-06 22:46:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:46:48,589 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 33 transitions. [2023-11-06 22:46:48,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:46:48,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 33 transitions. [2023-11-06 22:46:48,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2023-11-06 22:46:48,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:48,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:48,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:48,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 10, 1, 1, 1, 1, 1] [2023-11-06 22:46:48,595 INFO L748 eck$LassoCheckResult]: Stem: 275#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 269#L25-3 [2023-11-06 22:46:48,595 INFO L750 eck$LassoCheckResult]: Loop: 269#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 273#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 279#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 270#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 271#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 296#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 295#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 294#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 293#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 292#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 291#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 290#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 289#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 288#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 287#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 286#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 285#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 284#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 283#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 282#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 281#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 280#L15-3 assume !(foo_~i~0#1 < foo_~size#1); 266#L15-4 foo_#res#1 := foo_~i~0#1; 267#foo_returnLabel#1 main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 268#L25-2 main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 269#L25-3 [2023-11-06 22:46:48,596 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2023-11-06 22:46:48,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:48,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328513265] [2023-11-06 22:46:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:48,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:48,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:48,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:48,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:48,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2131617415, now seen corresponding path program 3 times [2023-11-06 22:46:48,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:48,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262478230] [2023-11-06 22:46:48,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:48,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:49,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:49,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262478230] [2023-11-06 22:46:49,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262478230] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:49,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785606471] [2023-11-06 22:46:49,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:46:49,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:49,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:49,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:49,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:46:49,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-06 22:46:49,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:46:49,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:46:49,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:49,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:50,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785606471] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:50,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:46:50,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2023-11-06 22:46:50,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816975914] [2023-11-06 22:46:50,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:50,244 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:50,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:50,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-06 22:46:50,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=650, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:46:50,247 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. cyclomatic complexity: 4 Second operand has 35 states, 35 states have (on average 1.9714285714285715) internal successors, (69), 34 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:50,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:50,391 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2023-11-06 22:46:50,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 57 transitions. [2023-11-06 22:46:50,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-06 22:46:50,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 57 transitions. [2023-11-06 22:46:50,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2023-11-06 22:46:50,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2023-11-06 22:46:50,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 57 transitions. [2023-11-06 22:46:50,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:50,395 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 57 transitions. [2023-11-06 22:46:50,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 57 transitions. [2023-11-06 22:46:50,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-06 22:46:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0363636363636364) internal successors, (57), 54 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2023-11-06 22:46:50,400 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 57 transitions. [2023-11-06 22:46:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:46:50,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 57 transitions. [2023-11-06 22:46:50,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:46:50,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 57 transitions. [2023-11-06 22:46:50,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-06 22:46:50,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:50,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:50,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:50,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [22, 22, 1, 1, 1, 1, 1] [2023-11-06 22:46:50,414 INFO L748 eck$LassoCheckResult]: Stem: 543#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 544#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 537#L25-3 [2023-11-06 22:46:50,415 INFO L750 eck$LassoCheckResult]: Loop: 537#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 541#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 547#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 538#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 539#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 588#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 587#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 586#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 585#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 584#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 583#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 582#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 581#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 580#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 579#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 578#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 577#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 576#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 575#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 574#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 573#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 572#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 571#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 570#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 569#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 568#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 567#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 566#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 565#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 564#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 563#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 562#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 561#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 560#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 559#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 558#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 557#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 556#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 555#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 554#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 553#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 552#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 551#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 550#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 549#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 548#L15-3 assume !(foo_~i~0#1 < foo_~size#1); 534#L15-4 foo_#res#1 := foo_~i~0#1; 535#foo_returnLabel#1 main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 536#L25-2 main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 537#L25-3 [2023-11-06 22:46:50,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2023-11-06 22:46:50,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:50,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512738954] [2023-11-06 22:46:50,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:50,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:50,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:50,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:50,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:50,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1575559777, now seen corresponding path program 4 times [2023-11-06 22:46:50,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:50,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355335426] [2023-11-06 22:46:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:51,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:51,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355335426] [2023-11-06 22:46:51,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355335426] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:51,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460449616] [2023-11-06 22:46:51,429 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:46:51,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:51,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:51,436 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:51,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:46:51,572 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:46:51,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:46:51,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:46:51,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:52,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:54,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460449616] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:54,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:46:54,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-11-06 22:46:54,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514769339] [2023-11-06 22:46:54,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:54,154 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:46:54,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:54,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-06 22:46:54,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2050, Invalid=2920, Unknown=0, NotChecked=0, Total=4970 [2023-11-06 22:46:54,160 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. cyclomatic complexity: 4 Second operand has 71 states, 71 states have (on average 1.9859154929577465) internal successors, (141), 70 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:54,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:54,381 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2023-11-06 22:46:54,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 77 transitions. [2023-11-06 22:46:54,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2023-11-06 22:46:54,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 75 states and 77 transitions. [2023-11-06 22:46:54,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2023-11-06 22:46:54,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 75 [2023-11-06 22:46:54,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 77 transitions. [2023-11-06 22:46:54,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:54,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 77 transitions. [2023-11-06 22:46:54,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 77 transitions. [2023-11-06 22:46:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-06 22:46:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0266666666666666) internal successors, (77), 74 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2023-11-06 22:46:54,391 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 77 transitions. [2023-11-06 22:46:54,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-06 22:46:54,393 INFO L428 stractBuchiCegarLoop]: Abstraction has 75 states and 77 transitions. [2023-11-06 22:46:54,393 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:46:54,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 77 transitions. [2023-11-06 22:46:54,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2023-11-06 22:46:54,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:54,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:54,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:46:54,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [32, 32, 1, 1, 1, 1, 1] [2023-11-06 22:46:54,396 INFO L748 eck$LassoCheckResult]: Stem: 1035#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1036#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 1028#L25-3 [2023-11-06 22:46:54,396 INFO L750 eck$LassoCheckResult]: Loop: 1028#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1033#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1039#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1030#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1031#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1100#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1099#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1098#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1097#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1096#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1095#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1094#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1093#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1092#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1091#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1090#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1089#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1088#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1087#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1086#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1085#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1084#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1083#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1082#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1081#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1080#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1079#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1078#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1077#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1076#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1075#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1074#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1073#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1072#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1071#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1070#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1069#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1068#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1067#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1066#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1065#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1064#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1063#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1062#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1061#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1060#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1059#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1058#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1057#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1056#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1055#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1054#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1053#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1052#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1051#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1050#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1049#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1048#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1047#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1046#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1045#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1044#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1043#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1042#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1041#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1040#L15-3 assume !(foo_~i~0#1 < foo_~size#1); 1029#L15-4 foo_#res#1 := foo_~i~0#1; 1026#foo_returnLabel#1 main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 1027#L25-2 main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1028#L25-3 [2023-11-06 22:46:54,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:54,397 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 6 times [2023-11-06 22:46:54,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:54,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508523234] [2023-11-06 22:46:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:54,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:54,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:54,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:54,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash 776556339, now seen corresponding path program 5 times [2023-11-06 22:46:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179025653] [2023-11-06 22:46:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:54,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:54,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:54,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:54,587 INFO L85 PathProgramCache]: Analyzing trace with hash -378248015, now seen corresponding path program 1 times [2023-11-06 22:46:54,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:54,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675224649] [2023-11-06 22:46:54,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:54,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:54,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:54,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:54,095 WARN L293 SmtUtils]: Spent 2.99m on a formula simplification. DAG size of input: 502 DAG size of output: 312 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 22:49:54,590 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:49:54,591 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:49:54,591 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:49:54,591 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:49:54,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:49:54,591 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:54,591 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:49:54,592 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:49:54,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: ArraysOfVariableLength4.c_Iteration6_Lasso [2023-11-06 22:49:54,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:49:54,592 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:49:54,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:54,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:55,013 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:49:55,018 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:49:55,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,027 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:49:55,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:55,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:55,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:55,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:55,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:55,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:55,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:49:55,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:55,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:55,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:55,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:49:55,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:49:55,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:55,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:55,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:55,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:49:55,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:55,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:55,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:55,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,273 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:55,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:55,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:55,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:49:55,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,313 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:49:55,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:55,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:55,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:55,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,376 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:55,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:49:55,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:55,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:55,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:55,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:55,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:55,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:55,440 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:49:55,463 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-06 22:49:55,464 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-06 22:49:55,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:55,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:55,469 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:55,471 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:49:55,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:49:55,483 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 22:49:55,484 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:49:55,484 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~#b~0#1.base)_1 - 4*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~#b~0#1.offset >= 0] [2023-11-06 22:49:55,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:55,512 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2023-11-06 22:49:55,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#b~0!base] could not be translated [2023-11-06 22:49:55,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:55,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:49:55,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:49:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:55,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:49:55,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:49:56,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-11-06 22:49:56,518 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 22:49:56,519 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 77 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:56,612 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 77 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 145 states and 151 transitions. Complement of second has 7 states. [2023-11-06 22:49:56,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:49:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-06 22:49:56,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 69 letters. [2023-11-06 22:49:56,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:49:56,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 71 letters. Loop has 69 letters. [2023-11-06 22:49:56,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:49:56,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 138 letters. [2023-11-06 22:49:56,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:49:56,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 151 transitions. [2023-11-06 22:49:56,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:49:56,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 141 states and 146 transitions. [2023-11-06 22:49:56,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2023-11-06 22:49:56,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-06 22:49:56,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 146 transitions. [2023-11-06 22:49:56,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:49:56,644 INFO L218 hiAutomatonCegarLoop]: Abstraction has 141 states and 146 transitions. [2023-11-06 22:49:56,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 146 transitions. [2023-11-06 22:49:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 78. [2023-11-06 22:49:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.064102564102564) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2023-11-06 22:49:56,655 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 83 transitions. [2023-11-06 22:49:56,655 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 83 transitions. [2023-11-06 22:49:56,655 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:49:56,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 83 transitions. [2023-11-06 22:49:56,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:49:56,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:49:56,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:49:56,656 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:49:56,656 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:49:56,657 INFO L748 eck$LassoCheckResult]: Stem: 1514#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, 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(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 1511#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 1507#L15-3 [2023-11-06 22:49:56,657 INFO L750 eck$LassoCheckResult]: Loop: 1507#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 1508#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 1507#L15-3 [2023-11-06 22:49:56,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2023-11-06 22:49:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:56,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171765571] [2023-11-06 22:49:56,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:56,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:56,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:56,672 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:56,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2023-11-06 22:49:56,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:56,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151516811] [2023-11-06 22:49:56,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:56,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:56,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:56,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:56,682 INFO L85 PathProgramCache]: Analyzing trace with hash 28698921, now seen corresponding path program 1 times [2023-11-06 22:49:56,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:56,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807321095] [2023-11-06 22:49:56,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:56,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:56,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:56,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:57,034 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:49:57,034 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:49:57,034 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:49:57,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:49:57,035 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:49:57,035 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,035 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:49:57,035 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:49:57,035 INFO L133 ssoRankerPreferences]: Filename of dumped script: ArraysOfVariableLength4.c_Iteration7_Lasso [2023-11-06 22:49:57,035 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:49:57,035 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:49:57,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:49:57,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:49:57,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:49:57,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,568 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:49:57,576 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 [2023-11-06 22:49:57,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:57,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:57,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,657 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:57,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:57,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:57,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:57,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:49:57,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,698 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,708 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 [2023-11-06 22:49:57,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:57,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:57,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:49:57,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,742 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:49:57,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:57,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:57,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:57,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:57,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,798 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:57,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:57,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:57,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:49:57,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,851 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:57,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:57,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:57,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:49:57,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,897 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:57,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:49:57,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:57,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:57,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:57,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:57,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:57,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:57,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:57,951 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:57,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:49:57,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:57,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:57,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:57,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:57,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:57,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:57,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:57,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:57,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:58,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,004 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:58,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:49:58,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:58,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:58,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:58,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:58,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:58,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:58,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:58,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,066 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:58,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:49:58,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:58,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:49:58,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:58,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:58,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:58,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:49:58,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:49:58,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:58,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,112 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:58,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:58,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:58,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:58,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:58,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:58,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:58,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:49:58,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:58,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,162 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,173 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 [2023-11-06 22:49:58,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:58,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:58,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:58,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:58,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:49:58,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:58,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:58,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:58,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,230 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:58,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:58,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:58,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:58,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:58,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:58,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:58,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:49:58,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:49:58,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,283 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:49:58,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:49:58,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:49:58,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:49:58,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:49:58,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:49:58,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:49:58,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:49:58,333 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:49:58,359 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-06 22:49:58,359 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 22:49:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:49:58,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:49:58,361 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:49:58,364 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:49:58,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:49:58,392 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:49:58,392 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:49:58,392 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_foo_~b#1.base)_1, ULTIMATE.start_foo_~b#1.offset, ULTIMATE.start_foo_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_foo_~b#1.base)_1 - 1*ULTIMATE.start_foo_~b#1.offset - 1*ULTIMATE.start_foo_~i~0#1 Supporting invariants [] [2023-11-06 22:49:58,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:49:58,433 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-06 22:49:58,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~b!base] could not be translated [2023-11-06 22:49:58,435 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~b!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-06 22:49:58,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:58,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:49:58,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:49:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:58,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:49:58,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:49:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:58,494 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 22:49:58,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 83 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:58,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 83 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 187 states and 195 transitions. Complement of second has 7 states. [2023-11-06 22:49:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:49:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-06 22:49:58,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-06 22:49:58,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:49:58,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:49:58,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:49:58,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-06 22:49:58,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:49:58,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 195 transitions. [2023-11-06 22:49:58,544 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 22:49:58,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 149 states and 154 transitions. [2023-11-06 22:49:58,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-06 22:49:58,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-06 22:49:58,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 154 transitions. [2023-11-06 22:49:58,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:49:58,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 154 transitions. [2023-11-06 22:49:58,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 154 transitions. [2023-11-06 22:49:58,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 78. [2023-11-06 22:49:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2023-11-06 22:49:58,567 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 82 transitions. [2023-11-06 22:49:58,567 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 82 transitions. [2023-11-06 22:49:58,567 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 22:49:58,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 82 transitions. [2023-11-06 22:49:58,568 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:49:58,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:49:58,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:49:58,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 22:49:58,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:49:58,568 INFO L748 eck$LassoCheckResult]: Stem: 1842#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1843#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc main_~i~1#1;call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 1838#L25-3 assume !(main_~i~1#1 % 4294967296 < 32); 1839#L25-4 main_~i~1#1 := 0; 1841#L28-3 [2023-11-06 22:49:58,568 INFO L750 eck$LassoCheckResult]: Loop: 1841#L28-3 assume !!(main_~i~1#1 % 4294967296 < 32);call main_#t~mem5#1 := read~int(main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4); 1844#L29 assume !(32 != main_#t~mem5#1);havoc main_#t~mem5#1; 1845#L28-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1841#L28-3 [2023-11-06 22:49:58,569 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:58,569 INFO L85 PathProgramCache]: Analyzing trace with hash 925723, now seen corresponding path program 1 times [2023-11-06 22:49:58,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:58,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265290833] [2023-11-06 22:49:58,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:58,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:58,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:58,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265290833] [2023-11-06 22:49:58,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265290833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:58,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:58,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:49:58,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969728413] [2023-11-06 22:49:58,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:58,628 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:49:58,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:58,628 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2023-11-06 22:49:58,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:58,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642644750] [2023-11-06 22:49:58,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:58,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:58,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:58,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:58,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:58,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:58,708 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:58,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:49:58,730 INFO L93 Difference]: Finished difference Result 149 states and 153 transitions. [2023-11-06 22:49:58,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 153 transitions. [2023-11-06 22:49:58,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:49:58,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 149 states and 153 transitions. [2023-11-06 22:49:58,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-06 22:49:58,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-06 22:49:58,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 153 transitions. [2023-11-06 22:49:58,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:49:58,734 INFO L218 hiAutomatonCegarLoop]: Abstraction has 149 states and 153 transitions. [2023-11-06 22:49:58,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 153 transitions. [2023-11-06 22:49:58,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 78. [2023-11-06 22:49:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.0384615384615385) internal successors, (81), 77 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2023-11-06 22:49:58,738 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 81 transitions. [2023-11-06 22:49:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:58,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 81 transitions. [2023-11-06 22:49:58,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 22:49:58,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 81 transitions. [2023-11-06 22:49:58,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:49:58,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:49:58,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:49:58,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [32, 32, 2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:58,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:49:58,745 INFO L748 eck$LassoCheckResult]: Stem: 2075#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2076#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret3#1, main_#t~post2#1, main_#t~mem5#1, main_#t~post4#1, main_~i~1#1, main_~#b~0#1.base, main_~#b~0#1.offset, main_~buffer~0#1, 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(400);havoc main_~buffer~0#1;call main_~#mask~0#1.base, main_~#mask~0#1.offset := #Ultimate.allocOnStack(32);main_~i~1#1 := 0; 2071#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2072#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2079#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2069#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2070#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2140#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2139#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2138#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2137#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2136#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2135#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2134#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2133#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2132#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2131#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2130#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2129#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2128#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2127#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2126#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2125#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2124#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2123#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2122#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2121#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2120#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2119#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2118#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2117#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2116#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2115#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2114#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2113#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2112#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2111#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2110#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2109#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2108#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2107#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2106#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2105#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2104#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2103#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2102#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2101#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2100#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2099#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2098#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2097#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2096#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2095#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2094#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2093#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2092#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2091#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2090#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2089#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2088#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2087#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2086#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2085#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2084#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2083#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2082#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2081#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2080#L15-3 assume !(foo_~i~0#1 < foo_~size#1); 2063#L15-4 foo_#res#1 := foo_~i~0#1; 2064#foo_returnLabel#1 main_#t~ret3#1 := foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;havoc foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset;assume { :end_inline_foo } true;call write~int(main_#t~ret3#1, main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~ret3#1; 2065#L25-2 main_#t~post2#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2066#L25-3 assume !!(main_~i~1#1 % 4294967296 < 32);assume { :begin_inline_foo } true;foo_#in~size#1, foo_#in~b#1.base, foo_#in~b#1.offset := 32, main_~#mask~0#1.base, main_~#mask~0#1.offset;havoc foo_#res#1;havoc foo_#t~mem1#1, foo_#t~post0#1, foo_~size#1, foo_~b#1.base, foo_~b#1.offset, foo_~a~0#1, foo_~i~0#1;foo_~size#1 := foo_#in~size#1;foo_~b#1.base, foo_~b#1.offset := foo_#in~b#1.base, foo_#in~b#1.offset;havoc foo_~a~0#1;havoc foo_~i~0#1;foo_~i~0#1 := 0; 2067#L15-3 [2023-11-06 22:49:58,748 INFO L750 eck$LassoCheckResult]: Loop: 2067#L15-3 assume !!(foo_~i~0#1 < foo_~size#1);assume 0 <= foo_~i~0#1 % 4294967296 && foo_~i~0#1 % 4294967296 < 32;call foo_#t~mem1#1 := read~int(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~mem1#1];havoc foo_#t~mem1#1; 2068#L15-2 foo_#t~post0#1 := foo_~i~0#1;foo_~i~0#1 := 1 + foo_#t~post0#1;havoc foo_#t~post0#1; 2067#L15-3 [2023-11-06 22:49:58,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1159213433, now seen corresponding path program 2 times [2023-11-06 22:49:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:58,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409768631] [2023-11-06 22:49:58,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:58,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:58,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:58,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:58,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 2 times [2023-11-06 22:49:58,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:58,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145448760] [2023-11-06 22:49:58,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:58,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:58,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:58,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:49:58,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:58,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1607580027, now seen corresponding path program 3 times [2023-11-06 22:49:58,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:58,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422338710] [2023-11-06 22:49:58,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:58,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:59,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:49:59,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad13ab8-e186-4143-8767-3aaf0f46dce1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-06 22:49:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:49:59,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace